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Full text of "Kyocera FS--1010 Service Manual"

$ i<y DCERa 

mita 



Laser printer 




Ed 




OSYS 



SERVICE 
MANUAL 

Published in Dec. '01 



Revision history 



Version 


Date 


Replaced pages 


Remarks 


1.0 


5-Dec-2001 







^ KyDCERa 

mita 



Safety precautions 



This booklet provides safety warnings and precautions for our service personnel to ensure the safety of 
their customers, their machines as well as themselves during maintenance activities. Service personnel 
are advised to read this booklet carefully to familiarize themselves with the warnings and precautions 
described here before engaging in maintenance activities. 



Safety warnings and precautions 

Various symbols are used to protect our service personnel and customers from physical danger and 
to prevent damage to their property. These symbols are described below: 



^DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect 
compliance with warning messages using this symbol. 

AWARNING:Serious bodily injury or death may result from insufficient attention to or incorrect compliance 
with warning messages using this symbol. 

A CAUTION: Bodily injury or damage to property may result from insufficient attention to or incorrect 
compliance with warning messages using this symbol. 

Symbols 

The triangle (A) symbol indicates a warning including danger and caution. The specific point 
of attention is shown inside the symbol. 



A 
A 



f\ General warning. 

Warning of risk of electric shock. 

Warning of high temperature. 

indicates a prohibited action. The specific prohibition is shown inside the symbol. 
r\y General prohibited action. 





Disassembly prohibited. 

indicates that action is required. The specific action required is shown inside the symbol. 
KB General action required. 

Remove the power plug from the wall outlet. 

Always ground the printer. 



© 



1. Installation Precautions 

AWARNING 

• Do not use a power supply with a voltage other than that specified. Avoid multiple connections to 
one outlet: they may cause fire or electric shock. When using an extension cable, always check 
that it is adequate for the rated current 



Connect the ground wire to a suitable grounding point. Not grounding the printer may cause fire or 
electric shock. Connecting the earth wire to an object not approved for the purpose may cause 
explosion or electric shock. Never connect the ground cable to any of the following: gas pipes, 
lightning rods, ground cables for telephone lines and water pipes or faucets not approved by the 
proper authorities 



ACAUTION: 

• Do not place the printer on an infirm or angled surface: the printer may tip over, causing injury. 

• Do not install the printer in a humid or dusty place. This may cause fire or electric shock 

• Do not install the printer near a radiator, heater, other heat source or near flammable material. 
This may cause fire 



Allow sufficient space around the printer to allow the ventilation grills to keep the machine as cool 
as possible. Insufficient ventilation may cause heat buildup and poor copying performance 



1 Always handle the machine by the correct locations when moving it 

1 Always use anti-toppling and locking devices on printers so equipped. Failure to do this may 
cause the printer to move unexpectedly or topple, leading to injury 

■ Avoid inhaling toner or developer excessively. Protect the eyes. If toner or developer is 
accidentally ingested, drink a lot of water to dilute it in the stomach and obtain medical attention 
immediately. If it gets into the eyes, rinse immediately with copious amounts of water and obtain 
medical attention 

1 Advice customers that they must always follow the safety warnings and precautions in the 
printer's instruction handbook 



O 
© 



2. Precautions for Maintenance 

AWARNING 

• Always remove the power plug from the wall outlet before starting machine disassembly. 



Always follow the procedures for maintenance described in the service manual and other related 
brochures 



• Under no circumstances attempt to bypass or disable safety features including safety 
mechanisms and protective circuits 



1 Always use parts having the correct specifications 

1 Always use the thermostat or thermal fuse specified in the service manual or other related 
brochure when replacing them. Using a piece of wire, for example, could lead to fire or other 
serious accident 



• When the service manual or other serious brochure specifies a distance or gap for installation of a 
part, always use the correct scale and measure carefully 



Always check that the printer is correctly connected to an outlet with a ground connection 

Check that the power cable covering is free of damage. Check that the power plug is dust-free. If 
it is dirty, clean it to remove the risk of fire or electric shock 



1 Never attempt to disassemble the optical unit in machines using lasers. Leaking laser light may 
damage eyesight 

1 Handle the charger sections with care. They are charged to high potentials and may cause 
electric shock if handled improperly 



ACAUTION 

• Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they are 
safely secured so they will not be caught in rotating sections 








© 

© 




A 

A 
A 



• Use utmost caution when working on a powered machine. Keep away from chains and belts 

% 



Handle the fixing section with care to avoid burns as it can be extremely hot. 



Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can cause 
abnormally high temperatures 



• Do not remove the ozone filter, if any, from the printer except for routine replacement. 




O 





1 Do not pull on the AC power cord or connector wires on high-voltage components when removing 
them; always hold the plug itself 



1 Do not route the power cable where it may be stood on or trapped. If necessary, protect it with a 
cable cover or other appropriate item 



1 Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks. 
■ Remove toner completely from electronic components 

1 Run wire harnesses carefully so that wires will not be trapped or damaged 

1 After maintenance, always check that all the parts, screws, connectors and wires that were 
removed, have been refitted correctly. Special attention should be paid to any forgotten 
connector, trapped wire and missing screws 

1 Check that all the caution labels that should be present on the machine according to the 
instruction handbook are clean and not peeling. Replace with new ones if necessary 



1 Handle greases and solvents with care by following the instructions below: 

■ Use only a small amount of solvent at a time, being careful not to spill. Wipe spills off completely. 

■ Ventilate the room well while using grease or solvents. 

• Allow applied solvents to evaporate completely before refitting the covers or turning the main 
switch on. 

■ Always wash hands afterwards. 

1 Never dispose of toner or toner bottles in fire. Toner may cause sparks when exposed directly to 
fire in a furnace, etc 

1 Should smoke be seen coming from the printer, remove the power plug from the wall outlet 
immediately 



3. Miscellaneous 

AWARNING 

• Never attempt to heat the drum or expose it to any organic solvents such as alcohol, other than 
the specified refiner; it may generate toxic gas 



® 
® 
© 

A 

© 
© 
© 








Q 



Contents 
Chapter 1 

1-1 Printer specifications 1-3 

1-2 Names of parts 1-6 

1-3 Safety information 1-7 

1-4 Environmental requirements 1-10 

1-5 About the toner container 1-14 

Chapter 2 

2-1 Unpacking 2-3 

2-2 Installing the printer 2-4 

2-3 Using the operator panel 2-15 

Chapter 3 

3-1 Maintenance/Adjustments 3-3 

Chapter 4 

4-1 Electrophotographic system 4-3 

4-2 Paper feeding system 4-15 

4-3 Electrical control system 4-18 

Chapter 5 

5-1 General instructions 5-3 

5-2 Disassembly 5-4 

Chapter 6 

6-1 Troubleshooting 6-3 

Appendix A 

Timing charts A-3 

Wiring diagram A-9 

Appendix B 

Status page B-3 

Appendix C 

Parallel interface C-3 

USB interface C-6 

Serial interface (Optional) C-7 



chapter 1 Product Information 



Chapter 1 Contents 



1-1 Printer specifications 1-3 

1-1-1 Specifications 1-3 

(1) Engine 1-3 

(2) Controller 1-4 

(3) Weight and dimensions 1-4 

(4) Power requirements 1-5 

(5) Environmental requirements 1-5 

1-2 Names of parts 1-6 

1-2-1 Name of parts 1-6 

1-3 Safety information 1-7 

1-3-1 Safety information 1-7 

(1) Laser safety 1-7 

(2) Laser notice 1-7 

(3) Laser caution label on the scanner unit 1-7 

(4) CDRH regulations (U.S.A.) 1-9 

(5) Ozone concentration 1-9 

(6) Optional equipment 1-9 

(7) Important note on the interface connectors 1-9 

1-4 Environmental requirements 1-10 

1-4-1 Environmental conditions 1-10 

(1) Clearance 1-11 

(2) Places to avoid 1-12 

(3) Note on power 1-12 

(4) Removing the printer 1-13 

1-5 About the toner container 1-14 

1-5-1 Toner container 1-14 

(1) Toner container handling 1-14 

(2) Toner container storage 1-15 



1-1 Printer specifications 



1-1-1 Specifications 



(1) Engine 



Item 


Specification 


Print method 


Electrophotography laser scan 


Print speed (when printing 
multiple pages) 


14 pages/min. (A4) 

15 pages/min. (Letter) 


Resolution (dpi) 


Fast 1200 mode (1800 horizontal/600 vertical) 
600 horizontal/600 vertical 


Smoothing 


KIR (Kyocera Image Refinement) 


First print (A4 or letter, 23 °C), 
depends on input data 


22 seconds or less 


Warm-up time at 23 °C 
Maximum duty cycle (A4) 


10 seconds or less (from sleep mode) 
15 seconds or less (from power on) 


Process unit life expectancy 


100,000 pages of printing or 3 years, whichever reached first 


Developing 


Mono component developer 


Laser diode 


Visible laser 


Main charger 


Scorotron positive charging 


Transferring 


Negative charger roller 


Separation 


Curvature separation 


Drum cleaning 


Blade 


Drum discharging 


Eraser lamp (LED array) 


Fuser 


Heat roller and press roller 


Paper 


Plain paper: Legal to A5 


Capacity of paper feed trays 
(80 g/m 2 [0.11 mm thickness]) 


Cassette: 250 sheets, MP tray: 50 sheets 


Capacity of output trays 

(80 g/m 2 [0.11 mm thickness]) 


Face-up: 30 sheets, Face-down: 150 sheets 



FS-1010 



1-3 



(2) Controller 



Item 


Specification 


CPU 


PowerPC405/200MHz 


System ROM 


4 MB Flash DIMM 


Font ROM 


2 MB (16 M bit x 1) 


Optional font ROM (Dip socket) 


1 MB (Optional KPDL2 Upgrade kit) 


Main (Video) RAM 


16 MB (Standard-equipped on main board) 


Expanding RAM (DIMM slot x 1) 


Maximum 144 MB (Including the standard 16 MB main RAM) 
(Accepts any of 16/32/64/128 MB DIMM) 


Host interface 


Parallel: High-speed, bidirectional (IEEE1284) 




USB: Revision 1.1 standards 




Serial: Optional serial interface board, RS-232C/RS-422A, 
Max. speed: 115.2 Kbps 




KUIO-LV (3.3 V): Optional network interface card 


Page description language 


Prescribe 2e 


Standard emulation modes 


PCL6, Diablo 630, IBM proprinter X24E, Epson LQ850, Line 
printer, KPDL2 



(3) Weight and dimensions 



Item 


Specification 


Main unit (excl. protrusions) 


Width: 


378 mm (14 7 / 8 inches) 




Height: 


222 mm (8 3 / 4 inches) 




Depth: 


375 mm (14 3 / 4 inches) 




Weight: 


9.5Kg(20 15 / 16 lb.) 



FS-1010 



1-4 



(4) Power requirements 



Item 


Specification 


Voltage/current requirement 


220 to 240 VAC ±10 %, 50/60 Hz ±2 %/3.8 A 
(European countries) 




120 V AC ±10 %, 60 Hz ±2 %/7.1 A (U.S. A/Canada) 


Watts 


Normal operation: 265 W 




Maximum: 818 W 




Standby: 13 W 




Sleeping: 5 W (220 to 240 V model), 6 W (120 V model) 



(5) Environmental requirements 



Item 


Specification 


Operating temperature and 
humidity 


10 to 32.5 °C (50 to 90.5 °F), 20 to 80 %RH 


Maximum altitude 


2,000 m (6,500 feet) 


Noise emission (Excluding peaks, 
measured at 1 m from printer, 
as per IS07779) 


50 dB (A) maximum/28 dB (A) at standby/unmeasureably low 
at sleeping) 



FS-1010 



1-5 



1-2 Names of parts 



1-2-1 Name of parts 




(?) Top cover 

(2) Face-down output tray 

(3) Face-up output tray 

(4) Side cover 

(5) Operator panel 
© Front cover 
(7) Paper cassette 



(§) MP tray 

(9) Option interface slot cover 

@ Parallel interface connector 

@ USB interface connector 

@ Power switch 

@ AC inlet 



Figure 1-2-1 Name of parts 



FS-1010 



1-6 



1-3 Safety information 

1-3-1 Safety information 

(1 ) Laser safety 

This printer is certified as a Class 1 laser product under the U.S. Department of Health and Human 
Services (DHHS) Radiation Performance Standard according to Radiation Control for Health and 
Safety Act of 1968. This means that the printer does not produce hazardous laser radiation. Since 
radiation emitted inside the printer is completely confined within protective housings and external 
covers, the laser beam cannot escape from the printer during any phase of user operation. 

(2) Laser notice 

This printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter for 
Class 1(1) laser products, and elsewhere is certified as a Class I laser product conforming to the 
requirements of IEC 825. 

(3) Laser caution label on the scanner unit 

The laser scanner unit has the following label affixed atop. Observe these cautionary statements 
and figures when handling the laser scanner unit. 



FS-1010 

1-7 



WARNING Use of controls or adjustments or performance of procedures other than those 

A ""■""" — 



Label on the scanner unit (Inside the printer) 



iW DANGER 


INVISIBLE I.ASEn RADIATION WHEN OPEN. 
AVOID DIRECT EXPOSURE TO BEAU. 


fW^. ATTENT|ON 


RAYONWEMENT LASER INVISIBLE EN CAS D-QUVERTURE. 
EXPOSITION DANOEREUSE AU FAISCEAU. 


VOHSICHT 


UNSIOHTBARE LA5ERBTHAHLUNQ, WENN ABDECKUNQ QEOrTNET. 


Al IhNZIUNb 


RADIAZIONE LASER INVISIBLE IN CASO Dl APERTURA. 
EWTARE L-ESPOEIIIONE AL FASCIO. 


PRECAUCION 


RADIACIONE LASER. INVISIBLE CUANDO BE ASRE. 


VAROI 


AVATTAESSA CL = T ALTTIINA NAKYMATTOUALLE LASEHSATE1LYLLE. 
ALA KATSO BATEESEEN. 


ws 


^-tr-M4c*s«n«L'*)(:L.T<eEi'. 


** 




AM 


mm sa» =ia m*i ama. 



Label on the fuser unit 



Label on the left cover rear side 




European countries 



U.S.A/Canada 



FS-1010 




FS-1010 


220 240V\, 50/60HZ 3.8A 




120W 60Hz 7.1A 


KYOCERA CORPORATION 




KYOCERA CORPORATION 

MIE PLANT TAMAKI BLOCK 


CLASS 1 LASER PRODUCT TO IEC825 




704-19 NOJINO, TAMAKI -TOWN 


LASER KLASSE 1 NACH IECS25 




WATARA I -COUNTY, MIE-PREF. JAPAN 


KLASSE 1 LASER PRODUKT I.H.T. IECB25 




MANUFACTURED: C9 




LUOKAN 1 LASERLAITE 






THIS LASER PRODUCT CONFORMS TO THE APPLICABLE 




[ A *A r c 




i — 4S^S ■ fr 




REQUIREMENTS OF FEDERAL REGULATIONS 21 CFR 




«2Z* 1S^* V V 




CHAPTER!, SUBCHAPTER J. 




^Pr d U ctS B | e iv^M^»»™.y 






Q^ Tested To Comply S \ 
h£. With FCC Standards /l^A 
FDR HnMFORnFFIOF UKF -M^al/I^ 






■^ r x 




^^ (^t)U 




_^ 


ACN003852444 " 






-&§v 1 BT 






rv» L V us LISTED %MlX/Js! 


4VW.W/S eimeehy 








'%££&&' 1 -*tr- 






This device complies with Part 15 of the FCC Rules. 












conditions: (1 1 This device may not cause harmful 
interference, and (2] this device must accept any 


CAUTION 




interference received, including interference that 
may cause undesired operation. 


REMOVE POWER CORD BEFORE SERVICE 






AND FUSE REPLACEMENT. 




with Canadian ICES-0Q3 


VORSICHT 












WECHSEL NETZSTECKER ZIEHEN. 






ATTENTION 




CAUTION 






REMOVE POWER CORD BEFORE SERVICE 


ELECTRIQUES, COUPER L' ALIMENTATION 






AVANT DE REMPLACER LE FUSIBLE. 




ATTENTION 


ATENCION 




POUR PREVENIR LES CHOCS 


DESENCHUFE EL CORDON 




ELECTRIQUES, COUPER L'ALI MENTATION 


DE ALIMENTACION ANTES DEL SERVICIO Y 




AVANT DE REMPLACER LE FUSIBLE. 


DEL REEMPLAZO DEL FUSIBLE. 

PRECAUZIONE 




PRECAUZIONE 

PRIMA Dl CAMBIARE 1 FIESIBILI 


PRIMA Dl CAMBIARE 1 FIESIBILI 




Dl ESEGUIRE RIPARAZIONI, 


Dl ESEGUIRE RIPARAZIONI, 






STACCATE IL CADO Dl ALIMENTAZIONE. 






DESIGNED IN JAPAN / ASSEMBLED IN CHINA 




DESIGNED IN JAPAN / ASSEMBLED IN CHINA 



CAUTION ACHTUNG ATTENTION 

!\ HOT SURFACE HEISSE OBERFLACHE TEMPERATURE ELEVEE 

AVOID CONTACT NICHT BERtJHREN NE PASTOUCHER 



A 



ATENCION 

EXTERIOR CALIENTE 
EVtTE ELCONTACTO 



ATTENZIONE ^ __ M 

SUPERFICIECHESCOTTA -U lT ^T H| r^iHTljifc.'gl 

NON TOCCARE 



Figure 1-3-1 Caution labels 



FS-1010 



1-8 



(4) CDRH regulations (U.S.A.) 

The Center of Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration 
implemented regulations for laser products on August 2, 1976. These regulations apply to laser 
products manufactured after August 1, 1976. Compliance is mandatory for products marketed in 
the United States. A label indicating compliance with the CDRH regulations must be attached to 
laser products marketed in the United States. 

(5) Ozone concentration 

The printers generate ozone gas (0 3 ) which may concentrate in the place of installation and cause 
an unpleasant smell. To minimize concentration of ozone gas to less than 0.1 ppm, we recommend 
you not to install the printer in a confined area where ventilation is blocked. 

(6) Optional equipment 

The printer may be optionally installed with the following units: 

• PF-17 Paper feeder (250 sheets) 

• Serial interface board 

• Network interface card 

• Memory card 

(7) Important note on the interface connectors 

Be sure to turn off printer power before connecting or disconnecting an interface cable to the printer. 
For protection against static discharge which may be applied to the printer's internal electronics 
through the interface connector(s), keep any interface connector which is not in use capped using 
the protective cap supplied. 



FS-1010 
1-9 



1-4 Environmental requirements 



1-4-1 Environmental conditions 

The Environmental requirements section on page 1-5 should be observed to ensure the optimum 
operation of the printer. The use of the printer in a location which does not satisfy the requirements 
may result in troubles and risk shortening its service life. 

The printer will work best if it is installed in a location that is: 

• Level and well supported (Place the printer on a table or desk.) 

• Not exposed to sunlight or other bright light (not next to an uncurtained window). Do not place 
the printer on an unstable cart, stand or table. 

• Near an AC wall outlet, preferably one that can be used for the printer alone. The outlet should 
have a ground slot, or an adapter should be used. If you use an extension cord, the total length of 
the power cord plus extension cord should be 17 feet or 5 meters or less. 

• Well ventilated, not too hot or cold, and not too damp or dry (See section Environmental 
requirements on page 1-5). If you install the printer where the temperature or humidity is outside 
the requirements in section Environmental requirements in chapter 1, the best print quality may 
not be expected and there will be an increased chance of paper jams. 

• Provide a sufficient clearances around the printer to ensure ventilation and ease of access. (See 
section Clearance on next page). 



FS-1010 

1-10 



(1) Clearance 

Allow the necessary minimum clearance on all sides of the printer as diagrammed below. 




Figure 1-4-2 Clearances 



Ref. 


Clearance 


Dimensions 


© 


Left 


25 cm (9-7/8 inches) 


® 


Front 


50 cm (19-11/16 inches) 


® 


Right 


25 cm (9-7/8 inches) 


® 


Back 


40 cm (15-3/4 inches) 


® 


Above 


30 cm (11-13/16 inches) 



FS-1010 



1-11 



(2) Places to avoid 

Avoid installing the printer in locations exposed to: 

• Direct drafts of hot or cold air. 

• Direct drafts of outside air. (Avoid locations next to outside doors.) 

• Sudden temperature or humidity changes. 

• Any source of high heat, such as a radiator or stove. 

• Excessive dust. Dust and smoke may cause contamination on the laser scanner window, causing 
print quality problem. 

• Vibration. 

• Ammonia fumes or other harmful fumes. (In case of fumigating the room or saturate it with 
insecticide, remove the printer first.) 

• Avoid greenhouse-like rooms. (Because of sunlight and humidity.) 

• Avoid enclosed spaces that block ventilation. 

• Avoid sites more than 6,500 feet or 2,000 meters above sea level. 

(3) Note on power 

Use only the power source voltage conforming to the printer's rated power voltage. Do not use 
other power sources. 

• Disconnect the printer from the power source before attempting removal or replacement of an 
electrical component or a printed-circuit board. 

• The printer should not be connected to a power source until the instruction is given to do so 
when performing tests described in this manual. 

• In connecting the printer power, exercise an extreme care in handling the power supply or any 
other electric parts which may give an electric shock. 

• Before performing maintenance or repair, power from both the power source and the associated 
peripheral devices (computer, sorter, etc.) should be disconnected, unless otherwise specified. 

• To avoid possible electrical shock, extreme caution must be exercised in handling the power 
cord and any other electrical part. 

• An easily accessible socket outlet must be provided near the equipment. 

WARNING As the disconnect device is not incorporated in the printer's AC primary 



FS-1010 



1-12 



(4) Removing the printer 

Observe the following precautions in removal and transportation of the printer. 

• Be sure to repack the printer in its original carton. 

• Do not leave the printer, toner container, process unit and other printer modules inside a vehicle 
if the outdoor temperature is more than 25 °C. As unexpectedly high temperature may develop 
inside when a vehicle is parked for a long period of time, the drum, toner container, process unit 
and the supplies should be removed from the vehicle. The vehicle during transportation should 
be parked in the shade or with the window open to allow minimum air circulation or the adequate 
air conditioning should be made. 

• Should the printer be left in a vehicle, it may not be exposed to the temperature change of more 
than 7 °C within 30 minutes. 

• Before removing the printer to a warm place, wrap it in a blanket, etc., before crating it. Allow 
approximately two to three hours after having moved after uncrated. Failure to observe the 
above may result in moisture condensation which will affect the performance of the printer. 



FS-1010 

1-13 



1-5 About the toner container 



1-5-1 Toner container 



The printer should use a TK-17 toner kit. To ensure the high print quality and long service life, the 
following handling precautions should apply. 



CAUTION 



A 



As the Ecosys printers are designed to ensure the optimum print quality when 
used with Kyocera's proprietary toner, Kyocera do not recommend to use any 
refilled toner containers that may be available commercially. This is because 
Kyocera have no means of control over how such refilled toner could affect the 
print quality and the reliability of the printer. 



(1) Toner container handling 

To loosen and mix the toner inside before use, with the label side down, thoroughly shake the toner 
container (?) horizontally at least five times. 



4 



► 




Figure 1-5-1 Toner container handling 



CAUTION Do not attempt to disassemble or refill the toner container. 



A 



FS-1010 



1-14 



(2) Toner container storage 

The toner contained in the container is susceptible to temperature and humidity. To ensure the high 
print quality, store the toner container in a place that satisfies the following environmental conditions: 

Temperature: -20 to 40 °C (-4 to 104 °F) 
Humidity: 15 to 90 % RH 

NOTE If the toner container is removed from the printer's developer unit, put it in a 

protective bag and keep it in a dark place. 

CAUTION If the printer is shipped for return, etc., do not ship it with the toner container 

A installed. Otherwise, toner may leak and contamination may result in the 

printer. 



FS-1010 
1-15 



chapter 2 Installation /Operation 



Chapter 2 Contents 



2-1 Unpacking 2-3 

2-1-1 Unpacking and inspection 2-3 

2-2 Installing the printer 2-4 

2-2-1 Installing the toner container 2-4 

2-2-2 Expanding memory 2-8 

(1) Minimum memory requirements 2-8 

(2) DIMM specifications 2-8 

(3) Notes on handling DIMM 2-9 

(4) Installing the DIMM 2-10 

(5) Testing the expansion memory 2-11 

(6) Installing the memory card (CompactFlash) 2-12 

(7) Installing the network interface card 2-14 

2-3 Using the operator panel 2-15 

2-3-1 Operator panel 2-15 

2-3-2 Remote operation panel 2-16 



2-1 Unpacking 



2-1-1 Unpacking and inspection 

The package should contain the printer and the accessories as shown in the figure below. Remove 
the printer and all the accessories from the package. For unpacking, place the box containing the 
printer on a flat, stable surface. Remove the manuals, toner kit, and other items located on top of the 
spacer and remove the spacer. Carefully remove the printer. 




Printer 



Installation guide 




Kyocera Mita digital library 
CD-ROM 



Cleaning cloth 




Power cord 



Figure 2-1-1 Unpacking (1) 

Remove the tape on the rear side of the printer, and remove the two spacers and the printed notice 
from the paper cassette. 



Printed notice 



Spacer 




Figure 2-1-2 Unpacking (2) 



2-3 



FS-1010 



2-2 Installing the printer 



Installing the printer requires several steps. Proceed as follows in sequence. If the option paper 
feeder is used with the printer, begin installation with connecting the printer and the paper feeder. 
For details, refer to the optional Paper feeder' s Service Manual. 



2-2-1 Installing the toner container 

1. Open the top cover all the way. 

2. Confirm that the lock lever #1 (T) is in the release (forward) position. If not, pull it forward until 
it is in the release position. 




Figure 2-2-1 Confirming the lock lever #1 



FS-1010 



2-4 



3. Take the toner container (g) from the bag. Hold it with the protective seal @ (orange-colored) 
facing up. Shake the toner container (g) horizontally at least five times. This ensures that the 
toner is evenly distributed inside. 



< 



► 




Figure 2-2-2 Shaking the toner container 



4. Carefully remove the protective seal @. 




Figure 2-2-3 Removing the protective seal 



FS-1010 



2-5 



5. Install the toner container (g) into the printer. 

6. Push firmly on the top of the toner container (g) at the positions marked [PUSH HERE]. 




Figure 2-2-4 Installing the toner container 



FS-1010 



2-6 



7. Push the lock lever #1 (T) to the lock position. 

8. Close the top cover @. 




Figure- 2-2-5 Locking the toner container 



NOTE 



The printer is shipped from the factory with no toner supplied in its developer 
(Process unit). When the printer is first switched on after the toner container is 
installed in the manner above, there will be a delay of several minutes before 
the printer gets ready to print a job. 

This delay is necessary for the printer to fill the developer reservoir with a 
sufficient amount of toner to continuously support a print job. The period of 
time is approximately 15 minutes. 

If the toner low or replace toner indication does not go off after installing the 
new toner container, take the toner container out once, shake it well, then 
install again. 



FS-1010 



2-7 



2-2-2 Expanding memory 

The FS-1010 printer comes standard equipped with 16 MB of main memory on the main board. 
Printer memory can be expanded to up to the maximum 144 MB (16 + 128 MB). 

(1) Minimum memory requirements 

Refer to the table below for minimum memory requirements in various environments. 





Resolution 


Printing environment (Emulation) 


300 dpi 


600 dpi 


HP LaserJet 5P (factory setting) 


2MB 


2MB 


HP LaserJet 5P with resource protection 


- 


10 MB 



(2) DIMM specifications 



Memory size in MB 


16, 32, 64, 128 MB 


Number of pins 


100 pins 


Access speed 


66 MHz 


Parity 


None 


Bus width 


32 bits 



FS-1010 



2-8 



(3) Notes on handling DIMM 

Before proceeding to install DIMM, read the following notes for handling the main board and 
DIMMs: 

• Protect the electronics by taking these precautions: 

• Before touching a DIMM, touch a water pipe or other large metal object to discharge yourself 
of static electricity While doing the work, it is recommended that you wear an antistatic wrist 
strap. 

• Touch the main board and DIMM only by the edges, not in the middle. 





Figure 2-2-6 Handling DIMM 



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2-9 



(4) Installing the DIMM 

The main board of the printer is equipped with one socket for memory expansion. Expansion memory 
is available in the form of DIMM (Dual In-line Memory Module). 

CAUTION Take precautions that no foreign substances such as metal chips or liquid get 

A inside the printer during the installation process. Operation of the printer during 

the presence of a foreign substance may lead to fire or electric shock. 

WARNING Turn the printer's power switch off. Unplug the printer's power cable and 

A ——■—-—* 

Remove the side cover (T) as shown in the figure below. 



( Step 1 ) 



( Step 2) 





Figure 2-2-7 Removing side cover 



FS-1010 



2-10 



Open the clips © on both ends of the DIMM socket ©. Insert the DIMM into the DIMM socket 
@ so that the notches on the DIMM align with the corresponding protrusions in the slot. Close the 
clips © on the DIMM slot to secure the DIMM. 




Figure 2-2-8 Inserting the DIMM 

(5) Testing the expansion memory 

After installing DIMM in the printer, test the printer to see if the installation has been successful. To 
test the expansion memory, turn printer power on and print a status page. If the installation has been 
successful, the Available Memory item of the status page will show the expanded memory size 
corresponding to the amount of memory added. 



FS-1010 



2-11 



(6) Installing the memory card (CompactFlash) 

The main board of the printer is equipped with one slot for memory card. 



CAUTION 

A 

WARNING 

A 



Take precautions that no foreign substances such as metal chips or liquid get 
inside the printer during the installation process. Operation of the printer during 
the presence of a foreign substance may lead to fire or electric shock. 

Turn the printer's power switch off. Unplug the printer's power cable and 
disconnect the printer from the computer or the network. Never insert or 
remove a memory card while the printer power is ON. 

Failure to turn the power switch OFF will immediately halt the printer with a 
Memory card err2 message (this message may not always appear). 
It also could result in any damage to the printer's electronic parts or the 
memory card. Turn the power switch ON again to restart the printer. 



Remove the two screws (T) from the option interface slot cover (g) and remove the option interface 
slot cover (or network interface card @ or the serial Interface board) . 





Figure 2-2-9 Removing the option interface slot cover 



FS-1010 



2-12 



Insert the memory card (4) in the slot. Insert as shown in the figure. Push it in all the way. Close and 
secure the option interface slot cover (or network interface card or the serial Interface board) . 




Figure 2-2-10 installing the memory card 



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2-13 



(7) Installing the network interface card 

If the serial interface board kit is installed, remove it to use the network interface card. 



CAUTION 

A 

WARNING 

A 



Take precautions that no foreign substances such as metal chips or liquid get 
inside the printer during the installation process. Operation of the printer during 
the presence of a foreign substance may lead to fire or electric shock. 

Turn the printer's power switch off. Unplug the printer's power cable and 
disconnect the printer from the computer or the network. Never insert or 
remove a network interface card while the printer power is ON. 



Remove the two screws (T) from the option interface slot cover (g) and remove the option interface 
slot cover ( or the serial Interface board) .Insert the network interface card @ in the slot. Insert as 
shown in the figure. Push it in all the way. Secure the network interface card by using two screws 
©■ 





Figure 2-2-11 installing the memory card 



FS-1010 



2-14 



2-3 Using the operator panel 



This section provides explanation on how to use the printer's operator panel for basic operation. 
For details, refer to the printer's User's Manual. 

2-3-1 Operator panel 

The printer's operation panel has the following LED indicators and keys. Note that adjustments to 
the printer parameters made using these keys may be overridden by those made from within the 
application software. 




Figure 2-3-1 Operator panel 



Table 2-3-1 Operator panel function 



No. 


Name 


Function 


© 


On line indicator 


Indicates whether the printer is on-line or off-line. 


© 


Data indicator 


Indicates that the printer is receiving data. 


© 


Paper empty/ 
Paper jam indicator 


Indicates whether the paper cassette is empty or a paper jam has 
occurred. 





Toner indicator 


Flashes when toner is low, and light when toner is exhausted. 


© 


Cancel key 


Stops printing when pressed. 


® 


Go key 


• Switches the printer mode between on-line and off-line when 
pressed. If you continued to press the key for 10 or more seconds, 
service status page is printed. 

• Switches between the MP tray and paper cassette when the paper 
runs out. 

• Prints out any unprinted page. 



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2-15 



2-3-2 Remote operation panel 

The remote operation panel is a utility that allows you to make basic printer settings from the 
computer connected to the printer or the network. For details on installation and usage, see the 
printer's User's Manual contained as an electronic file in the CD-ROM supplied with the printer. 



% KM NET Remote Operation Panel 



HH 




® 



® 







Figure 2-3-2 Remote operation panel 



Table 2-3-2 Remote operation panel function 



No. 


Name 


Function 


© 


Message display 


Indicates printer status, the interface currently active, the 
resolution, the paper size, the number of copies set in the current 
interface, and error messages. 


© 


SETUP button 


Makes connection settings and operation settings between the 
printer and the computer. 


(D 


CONNECT button 


Makes connection settings for new printers. 





HELP button 


Displays help message. 


© 


GO button 


Performs the same function as the printer's Go key. Not displayed 
with non-network connection. 


© 


MENU button 


Displays printer settings and confirmation items. 

Changes the printer 3D image in real time according to the printer's 


© 


Monitor window 


status. For example, if you open the printer's top cover, the top 
cover on the 3D image else open. 



FS-1010 



2-16 



chapter 3 Maintenance/Adjustments 



Chapter 3 Contents 



3-1 Maintenance/Adjustments 3-3 

3-1-1 Life expectancy of modules 3-3 

3-1-2 Toner container 3-4 

(1) When to replace the toner container 3-4 

(2) Notes on changing toner container 3-4 

(3) Toner container replacement 3-5 

(4) Toner saver mode (EcoPrint) 3-6 

3-1-3 Cleaning the printer 3-7 

(1) Cleaning the registration roller 3-8 

(2) Cleaning the main charger wire 3-8 

3-1-4 Updating the firmware 3-9 

(1) Firmware program data format 3-9 

(2) Downloading the firmware from the parallel interface 3-10 

(3) Downloading the firmware from the memory card 3-11 

(4) Downloading errors 3-12 



3-1 Maintenance/Adjustments 

3-1-1 Life expectancy of modules 

The table below shows the nominal life expectancy for modules. Detailed part information for each 
module (except toner container) can be found in Parts Catalog. 

Table 3-1-1 Life expectancy of modules 



Kit 


Module 


Nominal life (pages) 


Remarks 


TK-17 


Toner container 


6,000 


User-replaceable 


PU-42 


Process unit 


100,000 


User-replaceable 



FS-1010 



3-3 



3-1 -2 Toner container 

Assuming an average toner coverage of 5 % with EcoPrint mode turned off, the toner container 
will need replacing approximately once every 6,000 printed pages. 

Table 3-1 -2 Toner container 



Kit 


Life in pages 


TK-17 


6,000 



Based on letter or A4 size paper; average print density of 5 %. 

NOTE In the case of a new printer in which a toner kit has been installed for the first 

time, the number of copies that can be printed will be approximately 3,000. 



(1) When to replace the toner container 

When the printer runs low on toner, the Toner indicator flashes on the operation panel. Be sure to 
promptly replace the toner container and clean the inside of the printer when this message appears. 
If the printer stops printing while the Toner indicator is lit, replace the toner container to continue 
printing. 



(2) Notes on changing toner container 

Observe the following cautions when replacing the toner container: 

• Do not attempt to disassemble the old toner container and reuse the waste toner inside. 

• Keep magnetic media such as floppy disks away from the toner container. 

• Be sure to clean the parts as instructed in this section at the same timing of replacing toner 
container. 

• Use of the toner kit TK-17 is highly recommended for the optimum operation of the printer. 



FS-1010 

3-4 



(3) Toner container replacement 

To replace the toner container, open the top cover. Pull lock lever #1 (?) to the release [UNLOCK] 
position, then pull lock lever #2 (g) to the release (right) position. 




Figure 3-1-1 Releasing Lock levers #1 and #2 



Gently remove the old toner container @. 




Figure 3-1-2 Removing the old toner container 



3-5 



FS-1010 



Put it in the supplied plastic bag @ and dispose of it. 




Figure 3-1-3 Disposal of the old toner container 



NOTE 



Although the toner container is made from non-harmful, flammable material, 
be sure to dispose of it according to laws and regulations. 



Proceed with the instructions provided in chapter 2, Installing the toner container on page 2-4 to 
complete installation of the new toner container. 

(4) Toner saver mode (EcoPrint) 

The EcoPrint enables to reduce the amount of toner consumed on the page so as to save printing 
costs by drastically extending the toner container life. EcoPrint mode is factory-set to off and 
turned on by using the Remote Operation Panel (MENU) utility. For details refer to the printer's 
User's Manual. 



FS-1010 



3-6 



3-1-3 Cleaning the printer 

To avoid print quality problems, the following printer parts must be cleaned with every toner container 
replacement. 

To clean the printer, first, remove the process unit from the printer. 

Open the top cover (?) and front cover (g). Lift the process unit (5) together with the toner container 
out of the printer. 




Figure 3-1-4 Removing the process unit 



NOTE 



The drum in the process unit is sensitive to light. Never expose the drum even 
to normal office lighting (500 lux) for more than five minutes. 



FS-1010 



3-7 



(1) Cleaning the registration roller 

Use the supplied wiper cloth (T) to clean dust and dirt away from the registration roller (g) (metal). 




Figure 3-1-5 Cleaning the registration roller 

(2) Cleaning the main charger wire 

Slide the charger cleaner knob (green colored) back and forth 2 to 3 times, then return it to its 
[CLEANER HOME POSITION]. 




Figure 3-1-6 Cleaning the main charger wire 

After cleaning is done, install the process unit in the printer, using the reverse manner as above. 
Close the front cover and top cover. 



FS-1010 



3-8 



3-1-4 Updating the firmware 

Updating the system (controller) firmware is possible by downloading the firmware through the 
parallel interface or through the memory card (CompactFlash). These firmware programs are directly 
overwritten in the system DIMM [board KP-893] (Flash ROM type only) on the main board. 
The operator panel message in different languages can also be downloaded through the parallel 
interface or through the memory card (CompactFlash). 

(1) Firmware program data format 

Kyocera supplies the following types of data for updating firmware of the different purposes: 

• System firmware 

The data to be downloaded are supplied in the following format: 

System firmware file name example 

A94K8000.bcmp 



■ , 1 1 _i i , i i , ii , i 



i compression 

— Boot program is included. 

Version code: Version 80.00 

ID code for Kyocera 

Machine code: FS-1 01 (A94) 



Figure 3-1-9 Firmware program data format 



FS-1010 
3-9 



(2) Downloading the firmware from the parallel interface 

This section explains how to download firmware data from the parallel interface. The printer system 
can automatically recognize whether the data to be overwritten is for controller firmware. 

CAUTION Downloading the firmware takes several minutes. Do not turn power off during 

NOTE MS-DOS is required for a downloading from the parallel interface. The 

computer must be connected to the printer with a parallel cable. 

(?) Turn printer power on. Make sure the printer is ready, 
(g) At the DOS prompt, send the following command to the printer: 
echo !R! UPGR "SYS" ; EXIT; >prn 
DOS COPY (/b) the data from the host computer to the printer. 

(3) Confirm that downloading was finished normally by the LED indicator. (See the table below.) 

(4) Turn power off. 

(5) Turn power on again. Check the printer gets ready. 

Confirm the status page shows the new firmware version (See Service information on the status 
page on page B-4). If downloading fails, the printer indicates an error display using the LED 
indicators. To identify error, refer to the table on page 3-12. 



FS-1010 

3-10 



(3) Downloading the firmware from the memory card 

To download data written in a memory card (CompactFlash) to the printer, proceed as explained in 
this section. 



CAUTION 



A 



NOTE 



Downloading firmware takes several minutes. Do not turn power off during 
downloading. If downloading is interrupted by an accidental power failure, 
etc., the system DIMM may have to be replaced. 

The firmware program data must be stored to the root directory of the memory 
card (CompactFlash). 



(?) Turn power switch off. 

(2) Remove the two screws and then remove the slot cover. Insert the memory card in the printer's 
memory card slot. 




(3) Turn power switch on. 

(4) The printers starts and finishes downloading automatically. 

(5) Confirm that downloading was finished normally by the LED indicator. (See the table below.) 
© Turn power off. 

(7) Remove the memory card and then secure the slot cover by using two screws. 
@ Turn power on again. Check the printer gets ready. 

Confirm the status page shows the new firmware version (See Service information on the status 
page on page B-4). If downloading fails, the printer indicates an error display using the LED 
indicators. To identify error, refer to the table on page 3-12. 



FS-1010 



3-11 



(4) Downloading errors 

The following downloading errors are indicated on LED indicators when an error occurred during 
downloading the firmware data. 



Download finished 
normally 


LED indicators 


o 


n 


♦ill 


d; 


ihiSV 


d; 


L*j 


n 



Convention 



Red 


Green 


Meaning 


d; 


n 


Slow 
flashing 


* 


-ft 


Fast 
flashing 


• 


o 


Lit 


• 


• 


Off 



Download errors 


LED indicators 


Description 


Cause 


Corrective action 


o 

l=j8V 

ill 


• 
• 
• 

-ft- 


Download 
data error 


Deficit of a file header 


Obtain normal firmware. 


Deficit of a data header 


File checksum error 


File header version error 


Data header version error 


o 

1518V 

lid 


• 
• 
-ft- 


System 
download error 


Incompatibility of firmware 
and system DIMM board 


Confirm whether the 
firmware conforms to this 
printer. 


Defective system DIMM 
board 


Replace the system DIMM 
board. 


o 

liiSV 
ill 


• 

-jp:- 


Download 
receiving error 


Improper connection of 
parallel cable between 
PC and printer 


Check the contact between 
PC and printer's interface 
connector. 


Defective parallel cable 


Replace parallel cable. 



If the corrective action above does not solve the problem, replace engine board (KP-882). See page 
5-11. 



FS-1010 



3-12 



chapter 4 Operation Overview 



Chapter 4 Contents 



4-1 Electrophotographic system 4-3 

4-1-1 Electrophotographic cycle 4-3 

Process unit mechanism 4-4 

(1) Main charging 4-5 

Photo conductive drum 4-5 

Charging the drum 4-6 

(2) Exposure 4-7 

Laser scanner unit 4-8 

Drum surface potential 4-9 

(3) Development 4-10 

(4) Transfer 4-11 

(5) Fusing 4-12 

Fuser unit mechanism 4-13 

(6) Cleaning 4-14 

4-2 Paper feeding system 4-15 

4-2-1 Paper feed control 4-16 

Paper feeding mechanism 4-17 

4-3 Electrical control system 4-18 

4-3-1 Electrical parts layout 4-18 

4-3-2 Operation of circuit boards 4-19 

(1) Main board 4-19 

(2) Engine board 4-20 

Eraser lamp control circuit 4-21 

Polygon motor control circuit 4-25 

(3) Power supply board 4-26 

(4) Bias board 4-27 

(5) High voltage board 4-28 

Interlock switch 4-29 



4-1 Electrophotographic system 



Electrophotography is the technology used in laser printing which transfer data representing texts 
or graphics objects into a visible image which is developed on the photosensitive drum, finally 
fusing on paper, using light beam generated by a laser diode. 

This section provides technical details on the printer's electrophotography system. 

4-1-1 Electrophotographic cycle 

The electrophotography system of the printer performs a cyclic action made of six steps as follows. 
Each step is technically explained in the following sections. 



Laser scaner unit 



Process unit 




Fuser unit 



Figure 4-1-1 Electrophotographic cycle 

The sections for main charging, exposure (drum), developing, and cleaning are modularized in one 
Process unit PU-42. 



FS-1010 



4-3 



Process unit mechanism 



Driving power train 

® For drum (From main unit) 
® For toner container, developing 

roller, etc. (From main unit) 
© For main unit (Transfer roller) 
© For toner container 




(?) Main charger unit 

@ Charger wire 

©Grid 

(4) Developing roller 

©GearZ14-Z18 

© Gear Z14-Z36 

©GearZ18-Z36 

© Free gear Z40 



©GearZ18-Z35H 
© MAG gear Z24H 
© Mixer gear Z20 B 
© Mixer gear Z20 A 
© DLP screw B 
© DLP screw A 
©Drum 
© Drum gear Z35H 



© Drum shaft 

© Drum gear Z36 

© Sweep gear Z13 

© Idle gear 18H 

(£j) Cleaning blade 

© Sweep roller 

(23) Waste toner reservoir 



Figure 4-1-2 Process unit mechanism 



FS-1010 



4-4 



(1) Main charging 
Photo conductive drum 

The durable layer of organic photoconductor (OPC) is coated over the aluminum cylinder base. 
The OPC tend to reduce its own electrical conductance when exposed to light. After a cyclic process 
of charging, exposure, and development, the electrostatic image is constituted over the OPC layer. 
Since the OPC is materialized by resin, it is susceptible to damage caused by sharp edges such as a 
screwdriver, etc., resulting in a print quality problem. Also, finger prints can cause deterioration of 
the OPC layer, therefore, the drum (in the process unit) must be handled with care. Substances like 
water, alcohol, organic solvent, etc., should be strictly avoided. 

As with all other OPC drums, the exposure to a strong light source for a prolonged period can cause 
a print quality problem. The limit is approximately 500 lux for less than five minutes. If the drum 
(process unit) remains removed form the printer, it should be stored in a cool, dark place. 



Photo conductive layer 




V77 



Figure 4-1-3 Photo conductive drum 



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4-5 



Charging the drum 

The following shows a simplified diagram of the electrophotographic components in relation to the 
engine system. Charging the drum is done by the main charger unit (A). 



High voltage board 

CN2-A4 



YC-M 



Bias 
board 



MHVDR 



Engine board 
YC12-5 



Main charging output 




Figure 4-1-4 Charging the drum 

As the drum © rotates in a "clean (neutral)" state, its photoconductive layer is given a uniform, 
positive (+) corona charge dispersed by the main charger wire (§). 

Due to high-voltage scorotron charging, the charging wire can get contaminated by oxidization 
after a long rum. Therefore, it must be cleaned periodically from time to time using the method 
explained in chapter 3. Cleaning the charging wire prevents print quality problems such as black 
streaks. 



FS-1010 



4-6 



(2) Exposure 

The charged surface of the drum (A) is then scanned by the laser beam from the laser scanner unit 



B 




Figure 4-1-5 Exposure 

The laser beam (780 nm wavelength) beam is dispersed as the polygon motor (polygon mirrors) 
revolves to reflect the laser beam over the drum. Various lenses and mirror are housed in the 
scanner unit, adjust the diameter of the laser beam, and focalize it at the drum surface. 



FS-1010 



4-7 



Laser scanner unit 




^ 



y 



Diversion mirror 



Figure 4-1-6 Laser scanner unit 



Name 


Description 


(?) Laser diode 


Emits diffused, visible laser. 


(2) Cylindrical lens 


Compensates the vertical angle at which the laser beam hits a polygon 
mirror segment. 


@ Polygon mirror (motor) 


Has six mirror segments around its hexagonal circumference; each 
mirror corresponding to one scanned line width on the drum when 
laser beam scans on it. 


(4) F-theta lens 


The f-theta lens equalizes focusing distortion on the far ends of the 
drum. 


(5) Sensor mirror 


Bends the very first shot of a laser scan towards the beam detection 
sensor ((§)). 


(§) Pin photo sensor 


When shone by the sensor mirror above, this photo-sensor generates 
a trigger signal for the engine controller to start activating the paper 
feeding system. 



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4-8 



Drum surface potential 

The laser beam is continually switched on and off depending on the print data. It is on for a black 
(exposed) dot and off for a white (blank) dot. Since the drum surface is evenly charged, whenever 
it is illuminated by the laser beam, the electrical resistance of the photoconductor is reduced and the 
potential on the photoconductor is also lowered. Resulted on the drum surface is an electrostatic 
image which represents the data to print. Note that the area to be printed black has the low potential, 
constituting a "positively exposed" image. 



Laser beam 



Exposed surface potential 
approximately +60 to +80 V 




Charged surface potential 
+400±15V 



Drum 



V7T 



Figure 4-1-7 Drum surface potential 



FS-1010 



4-9 



(3) Development 

The latent image constituted on the drum is developed into a visible image. The developing roller 
(A) contains a 3-pole (S-N-S) magnet core (g) and an aluminum cylinder rotating around the magnet 
core (§). Toner attracts to the developing roller (A) since it is powdery ink made of black resin bound 
to iron particles. Doctor blade ©, magnetized by magnet (6), is positioned approximately 0.3 mm 
above the developing roller (A) to constitute a smooth layer of toner in accordance with the roller 
revolution. 




Developing 
bias output 
275±5 V DC 
+ AC 



Bias 
board 



YC302-8 



HVCLK 



Engine board 



YC11-5 



Figure 4-1-8 Development 

The developing roller (A) is applied with the AC- weighted, positive DC power source. Toner (§) on 
the developing roller (A) is given a positive charge. The positively charged toner (E) is then attracted 
to the areas of the drum (?) which was exposed to the laser light. (The gap between the drum (?) and 
the developing roller (A) is approximately 0.3 mm.) The non-exposed areas of the drum (?) repel the 
positively charged toner as these areas maintain the positive charge. 

The developing roller (A) is also AC-biased to ensure contrast in yielding by compensating the 
toner's attraction and repelling action during development. 



FS-1010 



4-10 



(4) Transfer 

The image developed by toner on the drum (A) is transferred onto the paper because of the electrical 
attraction between the toner itself and the transfer roller (§). The transfer roller is negatively biased 
so that the positively charged toner is attracted onto the paper while it is pinched by the drum and 
the transfer roller. 




High voltage board 

YC1-A5 

YC1-A5 

YC-T YC1 " A7 

YC1-A8 
YC1-A8 



Bias 
board 


RTHVDR 




THVDR 




HVISEL 




PSEL1 




PSEL2 


I I 



Engine board 



YC11-14 

YC12-2 

YC11-12 

YC11-9 

YC11-7 



Figure 4-1-9 Transfer 

The nominal transfer bias is set to approximately -1.8 kV (limit) with the -6 ^xA current. Since the 
ideal potential of the transfer bias depends on the thickness of paper, the bias is raised to approximately 
-2.5 kV/-6 \iA for thicker paper. On the other hand, the bias current is reduced to -1.8 kV/-6 \iA for 
thin paper. 



FS-1010 



4-11 



(5) Fusing 

The toner on the paper is molten and pressed into the paper as it passes between the heat roller (A) 
and the press roller (§) in the fuser unit. 




Figure 4-1-10 Fusing 

The heat roller has a halogen lamp inside which continuously turns on and off by the thermistor to 

maintain the constant temperature onto the heat roller surface. The temperature is approximately 

160 °C while the printer is idle; approximately 175 °C (Normal paper) and 185 °C (Thick paper) 

while printing. 

The heat roller is resin coated by florin to prevent toner from accumulating on the roller after a long 

run. Care must be taken while handling the heat roller not to scratch the roller surface as doing so 

may result in print problems. 

The heat roller has four claws which are continuously in contact with its surface. These claws 

prevent the paper on which toner has been fused from being wound around the heat roller causing 

paper jam. 

The pressure roller is made of the heat-resistant silicon rubber. This roller is used to strongly press 
the paper towards the heat roller by means of coil springs. 

The temperature of the heat roller is constantly monitored by the engine board using the thermistor 
and triac. Should the temperature of the heat roller exceed the predetermined value, the thermal 
cutout is activated to effectively disconnect the heater (halogen) lamp from power. 



FS-1010 



4-12 



Fuser unit mechanism 




© Heat roller 
© Idle gear Z34 
© Exit gear Z23 
©Idle gear Zl 8 



© Heat gear Z33 

© Press roller 

© Heater lamp [500±25 W] 

® Thermal cutout 



@ Separator(s) 
© Thermistor 
© Exit pulley(s) 
(12) Lower exit roller 



Figure 4-1-11 Fuser unit mechanism 



FS-1010 



4-13 



(6) Cleaning 

After the transferring process, the drum needs to be physically cleaned of toner which is residual 
after the development process. The cleaning blade (A) is constantly pressed against the drum © and 
scrapes the residual toner off to the sweep roller ©. The waste toner is collected at the output end 
of the sweep roller © and sent back to the toner container, into the waste toner reservoir @. 




Figure 4-1-12 Drum cleaning and erasing static charge 

After the drum © is physically cleaned, it then must be cleaned to the electrically neutral state. 
This is necessary to erase any residual positive charge, ready to accept the uniform charge for the 
next print process. The residual charge is canceled by exposing the drum © to the light emitted 
from the eraser lamp ©. This lowers the electrical conductivity of the drum surface making the 
residual charge on the drum surface escape to the ground. 



FS-1010 



4-14 



4-2 Paper feeding system 



The paper feeding system picks up paper from the cassette, MP tray, or if installed, the paper feeder 
PF-17, feeds it in the printer, and delivers in the output tray. Paper is fed at the precise timing in 
synchronization with data processing. The paper feeding system finally delivers the printed page to 
either the face-down or face-up tray as manipulated by the user. 

The figure below shows the components in the paper feeding system and the paths through which 
the paper travels. The sensors, clutches, etc., are described in the following pages. 




© Cassette 

(2) MP tray 

(3) Face-down output tray 

(4) Face-up output tray 

(5) Process unit 
© Fuser unit 
(7) Feed roller 



® Feed pulley 

(9) MP feed roller 

© Lower registration roller 

© Upper registration roller 

© Transfer roller 

©Drum 

© Heat roller 



© Press roller 

© Lower exit roller 

© Exit pulley 

© Upper exit roller 

© Exit pulley 



Figure 4-2-1 Paper feeding path 



FS-1010 



4-15 



4-2-1 Paper feed control 

The following diagram shows interconnectivity of the feeding system components including the 
sensors and rollers. The engine board provides the signals in conjunction with the electrophotography 
process that is driven by the main board. 




Power supply board 



High voltage board 



Bias board 



Bias board 



LU 
Q. 



Optional 
paper feeder 
PF-17 



Main motor 



o 

>■ 



o 
O 

>■ 



CO 

o 
O 

>■ 



r-- o> 



> > 



oj y 
o o 

g S2 



r~- 

o 

o 

> 



Engine board 



© MP feed roller @ Feed roller © Lower registration roller © Upper registration roller 
© Transfer roller © Heat roller © Lower exit roller ® Upper exit roller 



Figure 4-2-2 Paper feed control 



FS-1010 



4-16 



Paper feeding mechanism 



Driving power train 



® For process unit; drum (From main unit) 
(D For process unit; toner container, 

developing roller etc. (From main unit) 
© From process unit; drum 

(To transfer roller) 




© 

® 


© 
© 
© 
© 
© 
© 
© 
© 
© 
© 
© 



Main motor (gear) 

Registration clutch 

MP feed clutch 

Feed clutch 

MP feed roller 

Feed roller 

Registration gear Z13 

Registration gear Z20 

Cassette gear 

Lower registration roller 

Upper registration roller 

Transfer roller 

TCgearZ18 

Press roller 

Heat roller 



(jj) Heat gear Z33 
@ Lower exit roller 
@ Exit gear Z23 
Figure 4-2-3 Paper feeding mechanism 

4-17 



© Upper exit roller 
@> Exit gear Z23 UP 



FS-1010 



4-3 Electrical control system 



4-3-1 Electrical parts layout 




© Main board (KP-888) 

(f) Engine board (KP-882) 
Go key (switch) 
Cancel key (switch) 
Toner indicator (LED) 
Paper empty/ Paper jam 

indicator (LED) 
Data indicator (LED) 
On line indicator (LED) 

Figure 

FS-1010 



Power supply board 

Power switch 

Exit sensor 

©Inlet 
High voltage board 

Interlock switch 
Bias board (KP-884) 

Cassette switch 

Registration sensor 

@ Paper sensor 

4-3-1 Electrical parts layout 

4-18 



Main motor 
Cooling fan 
Registration clutch 
Feed clutch 
MP feed clutch 
MP paper sensor 
Toner sensor 
Waste toner sensor 
Eraser lamp 
Laser scanner unit 
Heater lamp 
Thermal cutout 
Thermistor 
Paper feeder interface 
connector 



4-3-2 Operation of circuit boards 



(1) Main board 



Operator panel l/F 



Q01 

Digital Transistor 



D 



FPDIR 
FPDAT 



I 



VDFONSPL 



Engine l/F 



SCKN, SO, PLGCLK 



SBSY, SI, SDIR, EGIRN, PDMASKN 



YC04 



X'tal (System) 
25.0000 MHz 



X'tal (Video) 
26.701882 MHz 



X'tal (USB) 
48.0000 MHz 



Parallel l/F 
PNSELIN 



X02 




U13 


CXIN 




















X03 








VXIN 




VXOUT 





U11 



PNSTROBE, PNAUTOFD, 
PNNIT 



PNACK, PBUSY, PPERROR 
PSELECT, PFAULT 



^ PPDATA7-0 . 



Option serial l/F 



DTR, RTS, TXD 



PDATA7-0 

4 — ► 



CTS, DSR, RXD 



[Debugger connector] 



DBRXD, DBCLK 



U9 
3.3 V Regulator 
+5V1 



7r 



CPU 
U01 

PowerPC 200 MHz 

RISC processor 

(Core ASIC) 



Digital Transistor 
EBA22, EBA10-1 



EBCSN2, EBCSN3 
EBOEN1, EBWEN1 



CDWAITN, CDET1-2 
CDRST 



Option 
Memory 

card 

slot 



EDB31-16 



YS01 



EBCSN0, EBCSN1 
EBOEN0, EBWEN0 



System DIMM 
Slot 1 

(Code ROM) 



EBCSN0, EBOEN2 



Font 
Mask ROM 



EBD31-16 



EBCSN1, EBOEN2 



OPRDY, DMAACKN, IORN, 
IOWN, EBCSN4 



DMAREQ, OPACKN, OPIRN 



EBIU Address bus 



API ROM 
Socket 



EBD31-16 



Option l/F 
KUIO-LV (3.3 V) 



EBD31-16 



EBIU Data bus 



DQMLM, DQMLL 



DQMUU, DQMUM 



RASN, CASN, WEN, BA1, BA0, SDCLKE 



SDRAM Address bus SDA12-0 



U04 
SDRAM 



IIC 
EEPROM 



a 



U05 
SDRAM 



SDCLK 



Option 

SDRAM 

DIMM 

Slot 



3 



SDRAM Data bus 



Figure 4-3-2 Main board circuit block diagram 



4-19 



FS-1010 



(2) Engine board 



Main board 
(KP-888) 



Laser scanner unit 



Cassette 
switch 

Regist- 
ration 
sensor 



fe 



Paper PtSN 

wncnr > -* 



Bias board 
(KP-884) 



Engine board (KP-882) 




RSTIN 



PLGCLK 



Reset IC 
U02 



RSTN 



PLGDRN 



PLGRDYN 



SWIN 



RESIT 



PAPERN 



FANH 
FANL 



THERMA 



Heater lamp 
control circuit 



HEATN 



ZCROSS 



EXITN 



MHVDR, THVDR, RTHDR, HVISEL, HVCLK 



24 V DC ~f~ 



TONER 



5VDC 



TNFULL 



CPU 
U01 



PFMDRN 

PFSEN, PFPFPER, PFCLK 



MOTORN 



MRDYN 



EEDIO 



EESCK 



EEPROM 
U03 



FEDDRN 
RESDRN 



MPFDRN 



HANDSN 



ERASPW 



ERASER 



Eraser 

lamp 

control 

circuit 



Waste 
toner 
Toner sensor sensor 



TJ 



High voltage 
output circuit 



4& 



Interlock 
switch 



5VDC 
output circuit 



24 V DC 
output circuit 



^ 



Exit 
sensor 



Zero 
cross 
signal 
detection 
circuit 



Triac 



High voltage board 



Power supply board 




Registration clutch 



MP feed clutch 



MP paper sensor 



J^ 



Eraser 
lamp 



Cooling fan 



Heater 
lamp 



AC input 



Thermistor 



Figure 4-3-3 Engine board circuit block diagram 



FS-1010 



4-20 



Eraser lamp control circuit 

The CPU (U01) turns pin #23 (ERASERN) of U01 to H level, transistors (Q 16 and Q14) turns on 
consequently, and the 24 V DC given at pin #1 of connector YC05 applies to the eraser lamps. The 
eraser lamps thus illuminate as the current flows through the eraser lamp, the pin #2 of connector 
YC05, resistors (R75/R76, and R77/R78), and the ground. 

Pin #27 (ERRDYN) of the CPU (U01) is wired to the crossing of resistors (R75/R26 and R77/R78) 
via resistor (R74). The U01 turns pin #23 (ERASERN) to H level and monitors the input level after 
one second. If the eraser lamp is normal, the current flowing through R74 also flows the zener 
diode (DZ01), making the voltage at pin #27 to be approximately 3.7 V. On the contrary, if the level 
at pin #27 (ERRDYN) is less than 1 V for more than 2 seconds, despite the U01 turns pin #23 
(ERASERN) to H level and applying the 24 V DC to pin #1 of connector YC05, the U01 recognizes 
that the current is not flowing through the eraser lamp. The LED indicator "Call service 
5300" error is then displayed. 



Engine board 



Eraser lamp 




Figure 4-3-4 Eraser lamp control circuit 



4-21 



FS-1010 



Heater lamp control circuit 

Activation of the heater lamp is dominated by the HEAT signal which is derived by the engine CPU 
(U01) at its pin #1. When its level is high, transistor QA03-a turns on, photo-triac PC2 and triac 
TRC1 turn on simultaneously, and the heater lamp is applied with the primary AC voltage in turn. 

Switching of triac TRC1, as affected by the HEAT signal is made in synchronization with the zero- 
cross signal ZCROSS which is generated by the power supply unit. The zero-cross signal detector 
watches the transition of alternating plus and negative current and detects the zero crosses. This 
detector derives the resultant ZCROSS signal at its pin #43 of the engine CPU (U01). Since abrupt 
change in the current flow can be significantly avoided by synchronizing triac TRC1 with the zero- 
cross signal, the possibility of noise due to the primary AC supply is greatly reduced. 



Engine board 



P10/ANI0 



CPU 
U01 



P50/A8 



POO/INTPO 



33 THERMA 



Heater lamp control circuit 



GND 



R52 



R56 




Q11 



1 HEAT 



GND GND 



-ANV- 



QA03-b 




43 ZCROSS 



QA03-a 



Power supply unit 



AC input -/+/-=!> 



Thermal cutout 



Heat roller 



f\ Heater lamp A <- AAAA/"'' 



HO 



I> 



n 



Thermistor 



& 



-> 



+24 V 




Zero 
cross 
signal 
detection 
circuit 



^nrr^ 



Bias 
board 



Triac 
(TRC1) 



(PC2) 
Photo-triac 



GND 



High 

voltage 

board 



Figure 4-3-5 heater lamp control circuit 



FS-1010 



4-22 



The AC power for the heater is applied in one of the five variations of the zero cross switchings as 
shown in Figure 4-3-6. Each variation is constituted with the unit of ten positive and negative 
envelops in five cycles, as obtained by varying the duration during which TRC1 turns on. The 
heater lamp is energized while TRC1 is kept on; the heater lamp is turned off while TRC1 is kept 
off. For example, the duty cycle (the period of a cycle during which the heater lamp is turned on) is 
maximum for variation No. 1 as the heater lamp is energized for the whole envelops. The duty cycle 
is 60 % for variation No. 3 as the heater lamp is energized for the 6 positive and negative envelops 
out of 10. The duty cycle is since the heater lamp is kept turned off for the whole envelops. 

CPU (U01) selectively switches among those variations for applying voltages to the heater lamp 
according to the THERMA signal which appears at pin #33 as feedback. 

A fraction of THERMA is applied to pin #2 of comparator U04-1. The comparator maintains 
comparison of the potential at pin #2 and pin #3 which gives a reference for the possible anomaly 
in the heater temperature (bred by resistors R52 and R56). Should the voltage at pin #2 exceed that 
at pin #3, the level at pin #1 becomes low. Since pin #1 is wired to the output line for the HEAT 
signal, the HEAT signal is enforced to be low regardless the behavior of CPU (U01), thus preventing 
possible heat overrun. The LED indicator "Call service 6110" error is then displayed. 



FS-1010 

4-23 



AC wave 



Variation 

No.1 v _,-. 

(Duty 100%) 



Conductivity 

staus of Triac - 

(TRC1) 



Heater lamp turn-on pattern in 1 cycle (10 half waves) 



123456789 10 



:+j 



Zero 

cross 

point 

On 



On 



On 



On 



On 



On 



On 



On 



On 



On 



Variation 

No.2 0V- 

(Duty 80 %) 



On 



On 



On 



On 



On 



On 



On 



On 



Off Off 



Variation 

No.3 ov- 

(Duty 60 %) 



On 



On 



Off 



On 



On 



Off 



On 



On 



Off Off 



Variation 

No.4 0V- 

(Duty 40 %) 



On 



Off 



Off 



On 



Off Off 



On 



On 



Off Off 



Variation 

No.5 
(Duty %) 



0V- 



Off 



Off 



Off 



Off 



Off Off Off 



Off 



Off Off 



Figure 4-3-6 heater lamp turn-on variations 



FS-1010 



4-24 



Polygon motor control circuit 

The main controller board supplies the 1700.8 Hz clock pulse (PLGCLK) via the engine board to 
the PLL control IC (IC1) for the polygon motor. To begin printing, the engine CPU U01 turns 
PLGDR to H level, the PLL control IC (IC1) starts to revolve the polygon motor so that the revolution 
is 17,008 rpm which depends on the PLGCLK clock pulse. When PLL control IC (IC1) finds that 
the polygon motor is revolving at the rated speed, turns PLGDRN to L level to acknowledge the 
engine CPU that the rated speed has been achieved. 

On the contrary, if PLGRDYN does not turn to L level within 8 seconds since PLGDRN has been 
L level, the LED indicator "Call service 4000" error is then displayed. 



Engine board 



Main board 



PLGCLK 



CPU 

U01 



Polygon motor control circuit 

R35 

_3r 

PLGDR 2 ' 



Laser scanner unit 




1700 - 8HZ 2 |ww7l CMC 



m 

GND 



Figure 4-3-7 Polygon motor control circuit 



FS-1010 



4-25 



(3) Power supply board 

The power supply board provides the AC power input and DC power and outputs. The high voltage 
bias generator circuit is mounted on a separate board. A simplified schematic diagram is shown 
below. 



Power supply unit 



Heater 
lamp 



Thermal 
cutout 



Power Current 
switch fuse 

- |-Q — G-| — |-CL/~Q-[ 

(SW1) (F1) 





Transformer 
(T1) 



FET 
(Q1) 



Switching/ 

Over 

current 

detection 

circuit 




24 V DC 
rectifier/ 
smooth- 
ing circuit 



24 V DC 

shutoff 

circuit 




L. 



Photo- 
coupler 
(PC1) 



5VDC 
rectifier/ 
smooth- 
ing circuit 



Over voltage 

detection 

circuit 



Triac 
(TRC1) 



Photo- 
coupler 
(PC3) 



Transistor 
(08) 



Zero cross signal 
detection circuit 



Photo- 

Triac 

(PC2) 



EXITN 



+24 V COM 



SLEEP 



FAN 



Cooling fan 



+24 V COM 



+5V 



PGND, SGND 
THERM 



Thermistor 

f^^-b — i 



+24 V 



ZCROSS 



HEAT 



Figure 4-3-8 Power supply board circuit block diagram 



FS-1010 



4-26 



(4) Bias board 

The bias board contains the developing bias output circuit, registration sensor, paper empty sensor, 
and the cassette switch. It also provides a liaison connection to the high voltage board, power 
supply, and the toner sensor. 



Bias board (KP-884) 



o 



Toner 
sensor 



Power supply 
board 



+5V 



+24 V 



High voltage 
board 



TONER 



5VDC 



24 V DC 



FAN 



275 V DC + AC 




+5V 



+5V 



+24 V 



I 



Regist- 
ration 
sensor 



+5V 



+24 



V ^ 



Casette 
switch 



l 



Paper 
sensor 



-^Wv- 



TONER 



5VDC 



24 V DC 



SENPOW 



RESIT 



SWIN 



PAPERN 



RTHVDR, HVISEL 
PSEL1, PSEL2 



FANL 



FANH 



HEATN, ZCROSS 



EXTIN, THERM 



+24 V 



Developing bias 
output circuit 



HVCLK 



Engine board 



Figure 4-3-9 Bias board circuit block diagram 



4-27 



FS-1010 



(5) High voltage board 

The high voltage board contains the high voltage output circuit, interlock switch circuit as well as 
providing a liaison connection with the power supply board, bias board, and the engine board. 



Engine board 



Bias board 



MHVDR 



THVDR, 
RTHVDR 



PSEL1, 
PSEL2 



HVISEL 



+24V2 



+5V 



High voltage board 



High voltage output circuit 



Control 
and 
driver 
circuit 



Transfer bias 
output 

positive voltage 
circuit 



T 



Interlock switch 



Q- 



Main 
\ \\ charger 




Power supply board 
+24V2 



+24V1 



FAN, 

HEATN, SLEEP 



ZCROSS, 
THERM, EXITN 



+5V 



Figure 4-3-10 High voltage board circuit block diagram 



FS-1010 



4-28 



Interlock switch 

The interlock switch is located on the high voltage board and opened and closed in conjunction 
with the front cover or the top cover via the interlock lever. This switch connects and disconnects 
the +24 V DC power supply line. If the front cover or the top cover is open, the interlock switch is 
open, and the +24 V DC to the high voltage output circuit, bias board, engine board, and the power 
supply board is disconnected, deactivating the high voltage output, laser output, main motor output 
for safety. The cooling fan is an exception: Since the cooling fan is directly fed with +24 V DC from 
the power supply unit at the primary side (+24V1) of the interlock switch, the cooling fan is not 
deactivated even the cover is open. 



Top cover 



Power supply unit 



Triac, etc. 



+24 V DC 
output 




Engine board, 

Bias board, 

etc. 



Front cover 



High voltage 
output circuit 



+24V2 



+24V1 



Machine left side view 



Cooling fan 



High voltage board 



Figure 4-3-11 Interlock switch 



FS-1010 



4-29 



chapters Disassembly 



Chapter 5 Contents 



5-1 General instructions 5-3 

5-1-1 Screw/hardware 5-3 

5-1-2 Before starting disassembly 5-3 

5-2 Disassembly 5-4 

5-2-1 Removing the process unit 5-4 

5-2-2 Removing the principal outer covers 5-5 

(1) Removing the top cover/face-down output tray 5-5 

(2) Removing the right cover 5-6 

(3) Removing the left cover 5-6 

5-2-3 Removing the feed roller 5-7 

5-2-4 Removing the MP tray feed roller 5-8 

5-2-5 Removing the transfer roller 5-10 

5-2-6 Removing the principal circuit boards 5-11 

(1) Removing the engine board 5-11 

(2) Removing the main board 5-12 

(3) Removing the power supply board and high voltage board 5-14 

(4) Removing the bias board 5-15 

5-2-7 Removing the main motor and drive unit 5-16 

5-2-8 Removing and splitting the fuser unit 5-20 

(1) Removing the separators 5-22 

(2) Removing the heater lamp 5-23 

(3) Removing the heat roller 5-24 

(4) Removing the thermistor 5-26 

(5) Removing the thermal cutout 5-27 

(6) Removing the press roller 5-28 

5-2-9 Removing the laser scanner unit and the eraser lamp 5-29 

5-2-10 Removing the main charger unit 5-32 



5-1 General instructions 

This chapter provides procedures for removal and replacement of the field replacement components. 

For other components not explained in this chapter, the diagrams in the Parts Catalog attached 

with this manual will help locate the component. 

When replacing of a component, reverse the procedure for the removal procedure explained in this 

chapter. 

WARNING To avoid injury to human bodies, make sure that AC power is removed and the 

A ■--»-— ™ 

5-1-1 Screw/hardware 

Screws and hardware used in the printer are listed in the Ecosys Screw catalog. These screw symbol 
numbers are universal to most Ecosys printers. 



CAUTION 



A 



When securing a self-tapping screws, align it with the thread carefully. First turn 
it counterclockwise, then slowly clockwise. Do not overtighten. In case the self- 
tapped thread is damaged, the affected part must be replaced with a new part. 



5-1-2 Before starting disassembly 

Before proceeding, unplug the power cord from the printer and the power supply. 



WARNING 



A 



Never attempt to operate the printer with a component removed. 



CAUTION 



A 



The printer use electrostatic sensitive parts inside (on circuit boards, Laser scanner 
unit, etc.). Provide an antistatic (discharging) device, such as a wrist strap, that 
can effectively discharge your body before touching the circuit boards, the laser 
scanner unit, etc. 



FS-1010 



5-3 



5-2 Disassembly 

Before proceeding, remove the paper cassette and the optional paper feeder, if installed. 

5-2-1 Removing the process unit 

1 . Open the top cover (T). 

2. Open the front cover @. 

3. Lift the process unit @ together with the toner container out of the printer. 




Figure 5-2-1 Removing the process unit 



CAUTIONS 



A 



After removing the process unit, seal it in the protective bag and place it on flat 
surface. Do not place the process unit in a dusty area. 

Do not give impact to the process unit. 

Do not place floppy disks near the process unit. 



FS-1010 



5-4 



5-2-2 Removing the principal outer covers 

(1) Removing the top cover/face-down output tray 

1. Open the top cover (T). 

2. Remove two screws (g). 

3. Remove the top cover/face-down output tray @. 




Figure 5-2-2 Removing the top cover/face-down output tray 



FS-1010 



5-5 



(2) Removing the right cover 

1 . Remove one screw (T). 

2. Remove the side cover @. 

3. Unlatch the six snaps @ and one hook hole (7) on the chassis, remove the right cover ©. 




Figure 5-2-3 Removing the right cover 



(3) Removing the left cover 

1. Unlatch the six snaps (T) and two hook holes @ on the chassis, remove the left cover @. 

© 




FS-1010 



Figure 5-2-4 Removing the left cover 



5-6 



5-2-3 Removing the feed roller 



CAUTION 



A 



When refit the feed roller, fit the D-cut shaft into the D-shape hole of the feed 
roller. 



1. Remove the paper cassette and the process unit. (See page 5-4) 

2. Stand the machine the front side up. 

3. Move the feed roller in the direction (A), and remove the feed roller (T). 




Figure 5-2-5 Removing the feed roller 



5-7 



FS-1010 



5-2-4 Removing the MP tray feed roller 

1. Remove the engine board. (See page 5-11) 

2. Remove one screw (T). 

3. Remove the grounding plate @. 

4. Remove one stop ring @. 

5. Remove the MP feed clutch @. 




Figure 5-2-6 Removing the MP feed clutch 



FS-1010 



5-8 



6. Remove one screw ©. 

7. Remove the toner sensor © and spring (f). 

8. Remove two screws (§). 

9. While pressing the latch (§) by using the driver and then remove the MP feed unit ©. 

(6) 




Figure 5-2-7 Removing the MP feed unit 



10. Remove the stop ring @ and then remove the MP feed roller @. 




Figure 5-2-8 Removing the MP feed roller 



5-9 



FS-1010 



5-2-5 Removing the transfer roller 



CAUTION 



A 



Do not touch the transfer roller (sponge) surface. Oil and dust (particles of paper, 
etc.) on the transfer roller can significantly deteriorate the print quality (white 
spots, etc.). 

When refitting the bushes and springs, make sure to refit the black colored bush 
and spring on the left side. Also, observe the correct direction to which the bush 
is fit in reference to the paper passing direction. 



1 . Remove the process unit. (See page 5-4) 

2. Remove the transfer roller (T) from the both bushes. 



Paper passing direction 



Long 



Short 




Transfer roller 



Bush 



Figure 5-2-9 Removing the transfer roller 



FS-1010 



5-10 



5-2-6 Removing the principal circuit boards 

(1) Removing the engine board 

1. Remove the top cover/face-down output tray and right cover (See pages 5-5 and 5-6). 

2. Remove all (ten) connectors from the engine board (T). 

3. Remove three screws @. 

4. Remove the engine board (T). 




Figure 5-2-10 Removing the engine board 



FS-1010 



5-11 



(2) Removing the main board 

1. Remove the process unit (See page 5-4). 

2. Remove the top/face-down output tray and right cover (See pages 5-4 and 5-5). 

3. Remove two connectors (?) from main board (g). 

4. Remove six screws @. 

5. Remove the controller box (with main board) (4). 




Figure 5-2-11 Removing the controller box (with main board) 



FS-1010 



5-12 



6. Remove two screws © at the back of the main board (g). 

7. Remove three screws © from the parallel interface connector @ and USB connector (§). 

8. Remove the main board @. 




Figure 5-2-12 Removing the main board 



FS-1010 



5-13 



(3) Removing the power supply board and high voltage board 

1. Remove the process unit (See page 5-4). 

2. Remove the top cover/face-down output tray and left cover (See pages 5-5 and 5-6). 

3. Remove three connectors (T) from the power supply board @. 

4. Remove eight screws (5). 

5. Remove the power supply board (g) and high voltage board (4). (Note: The high voltage board 
(7) is directly connected to the bias board (§).) 

6. Separate the high voltage board @ from the power supply board (2). 




Figure 5-2-13 Removing the power supply board and high voltage board 



FS-1010 



5-14 



(4) Removing the bias board 

1. Remove the cassette and process unit (See page 5-4). 

2. Remove the top cover/face-down output tray and left cover (See pages 5-5 and 5-6). 

3. Remove the power supply board and high voltage board (See the previous page). 

4. Stand the machine with the front side up. 

5. Remove one connector (?) from the bias board @. 

6. Remove five screws @. 

7. Remove the bottom cover (4). 

8. Remove the two connectors © from the bias board (g). 

9. Remove the bias board @. 




Figure 5-2-14 Removing the bias board 



FS-1010 



5-15 



5-2-7 Removing the main motor and drive unit 

1. Remove the cassette and process unit (See page 5-4). 

2. Remove the top cover/face-down output tray and right cover (See pages 5-5 and 5-6). 

3. Remove three connectors (T) from the main motor @. 

4. Remove four screws @. 

5. Remove main motor (g). 




Figure 5-2-15 Removing the main motor 



FS-1010 



5-16 



6. Remove the engine board (See page 5-11). 

7. Remove wires from wire saddles (4) on the cord cover ©. 

8. Remove one screw (§). 

9. Remove the cord cover (§). 




5-2-16 Removing the cord cover 



FS-1010 



5-17 



10. Remove one screw (§). 

11. Remove the grounding plate ®. 

12. Remove three stop rings (§). 

13. Remove MP feed clutch @, feed clutch @, and registration clutch @. 




Figure 5-2-17 Removing the clutches 



FS-1010 



5-18 



14. Remove the four screws (jj 

15. Remove the drive unit @. 




Figure 5-2-18 Removing the drive unit 



5-19 



FS-1010 



5-2-8 Removing and splitting the fuser unit 

WARNING The fuser unit is hot after the printer was running. Wait until it cools down. 



A 

CAUTION 

A 

1 . Remove 

2. Remove 

3. Remove 

4. Remove 

5. Remove 

6. Remove 



When refitting the fuser unit, make sure the fuser unit gear and the printer's drive 
gear are properly meshed with each other. For this, rotate the main motor several 
turns before fixing screws. 

the process unit. (See page 5-4) 

the top cover/face-down output tray, right and left covers. (See page 5-5, 5-6) 

the rear side cover (T). 

the two connectors (g). 

two screws @. 

the fuser unit (4). 




Figure 5-2-19 Removing the fuser unit 



FS-1010 



5-20 



7. Remove two screws ©. 

8. Open and split the fuser unit (4). 




Figure 5-2-20 Splitting the fuser unit 



5-21 



FS-1010 



(1) Removing the separators 

WARNING The separation claws are extremely hot immediately after the printer was running. 

A — — 

1. Remove and split the fuser unit (See page 5-20). 

2. Loosen the stopper screws (T). 

3. Hold the separators (g) upright, and remove the separators (g) and separator springs @. 




Figure 5-2-21 Removing the separators 



FS-1010 



5-22 



(2) Removing the heater lamp 



WARNING 



A 



CAUTION 



A 



The heater lamp is extremely hot immediately after the printer was running. 

Allow substantial period of time until it cools down. Also, the heater lamp is 
fragile: Handle it with great care. 

The heater lamps are fragile. Use extreme care when handling not to drop or 
break. 

Do not directly touch on the heater lamp. Finger prints on the heater lamp's outer 
surface can prevent proper fusing of toner on paper. When holding the heater 
lamp, hold the ceramic parts of heater lamp at both ends. 

When refitting the heater lamp, direct the short distance side from the projection 
in the middle of the lamp facing the machine's left side. 



1. Remove and split the fuser unit (See page 5-20). 

2. Remove all (four) separators (See previous page). 

3. Remove one screw (T), release the tension of lamp A holder @. 

4. Remove the heater lamp @ form the lamp B holder (4). 

5. Remove the heater lamp @ from the heat roller ©. 




Machine 
left side 



Figure 5-2-22 Removing the heater lamp 



5-23 



FS-1010 



(3) Removing the heat roller 



WARNING 



A 



The heat roller is extremely hot immediately after the printer was running. Allow 
substantial period of time until it cools down. 



1. Remove and split the fuser unit (See page 5-20). 

2. Remove the heater lamp (See previous page). 

3. Press the lamp A holder (?) away from the heat roller. Pull up both heat R bush (g) and heat L 
bush @ at the same time. 




Figure 5-2-23 Removing the heat R bush and heat L bush 



FS-1010 



5-24 



3. Remove the heat gear Z33 @, heat R bush (g), and heat L bush @ from the heat roller ©. 




Figure 5-2-24 Removing the heat roller 



5-25 



FS-1010 



(4) Removing the thermistor 

1. Remove and split the fuser unit (See page 5-20). 

2. Remove the heater lamp (See page 5-23). 

3. Remove the heat roller (See page 5-24). 

4. Remove one screw (T). 

5. Remove the thermistor @. 




Figure 5-2-25 Removing the thermistor 



FS-1010 



5-26 



(5) Removing the thermal cutout 



CAUTION 



A 



Do not bend the terminals of the thermal cutout. 



1. Remove and split the fuser unit (See page 5-20). 

2. Remove the heater lamp (See page 5-23). 

3. Remove the heat roller (See page 5-24). 

4. Remove the two screws (T). 

5. Remove the thermal cutout (§). 




Figure 5-2-26 Removing the thermal cutout 



FS-1010 



5-27 



(6) Removing the press roller 

WARNING The press roller is extremely hot immediately after the printer was running. Allow 

A """"™ "•""" 

1. Remove and split the fuser unit (See page 5-20). 

2. Remove the press roller (?) from the fuser unit (g). 




Figure 5-2-27 Removing the press roller 



FS-1010 



5-28 



5-2-9 Removing the laser scanner unit and the eraser lamp 

1. Remove the process unit (See page 5-4). 

2. Remove the top cover/face-down output tray, right cover, and the left cover (See pages 5-5 and 
5-6). 

3. Remove four connectors (T). 

4. Remove five screws @ and four screws @. 

5. While keeping the ground joint plate (5) away from the LSU plate ©, remove the LSU plate. 




Figure 5-2-28 Removing the LSU plate 



5-29 



FS-1010 



5. Remove three screws (§). 

6. Remove one connector © from the laser scanner unit ®. 

7. Remove the laser scanner unit ®. 




Figure 5-2-27 Removing the laser scanner unit 



FS-1010 



5-30 



8. Remove the eraser lamp (§). 




5-2-28 Removing the eraser lamp 



5-31 



FS-1010 



5-2-10 Removing the main charger unit 

1. Remove the process unit from the printer (See page 5-4). 

2. Unlatch the three snaps (T), and remove the main charger cap (g). 

3. Draw the main charger unit @ in the direction of arrow (A), then pull it out in the direction of 
arrow (g). 




5-2-29 Removing the main charger unit 
CAUTION When refitting the main charger unit @, hold terminal (7) down ©, then push 



FS-1010 



5-32 



Chapter 6 Troubleshooting 



Chapter 6 Contents 



6-1 Troubleshooting 6-3 

6-1-1 Error messages 6-3 

(1) Messages 6-4 

Normal messages 6-5 

Maintenance messages 6-6 

Error messages 6-8 

6-1-2 Service error indications 6-10 

(1) 2000 - Main motor error 6-10 

(2) 4000 - Laser scanner unit [Polygon motor] error 6-1 1 

(3) 4200 - Laser scanner unit [Pin photo diode] error 6-13 

(4) 5300 - Eraser lamp error 6-15 

(5) 6000 - Fuser unit error 6-16 

(6) 7980 - Waste toner full [Total page count less than 1 00,000 pages of printing] 6-1 7 

(7) 7990 - Waste toner full [Total page count more than 1 00,000 pages of printing] 6-1 8 

(8) F010 - Controller checksum error 6-18 

(9) F020 - Controller RAM read/write error 6-18 

(10) F030 - Controller system error 6-19 

(11) F040 - Communication error 6-19 

(12) F050 - Engine ROM checksum error 6-19 

6-1-3 Print quality problems 6-20 

(1) Completely blank printout 6-21 

(2) All-black printout 6-22 

(3) Dropouts 6-23 

(4) Black dots 6-24 

(5) Black horizontal streaks 6-24 

(6) Black vertical streaks 6-25 

(7) Unsharpness 6-26 

(8) Gray background 6-27 

(9) Dirt on the top edge or back of the paper 6-28 

Repetitive defects gauge 6-29 

6-1-4 Correcting a paper jam 6-30 

(1) Jam at the face-down and face-up trays 6-30 



6-1 Troubleshooting 

This chapter explains procedures for identifying and correcting problems. Topics covered are: 

6-1-1 Error messages 

The printer indicates various messages using the LED indicators at its top. The indicators are lit, 
fast flashing, slow flashing, and off in combination to describe a specific message. The following 
diagram depicts these indicators and the control keys. 




On line indicator 

Data indicator 

Paper empty/Paper jam indicator 

Toner indicator 

Cancel key 
Go key 



Figure 6-1-1 Indicators and control keys 



For explanation on the basic function of the indicators and the keys, refer to pages 2-14. 



FS-1010 



6-3 



(1) Messages 

In the explanation that follows, the following diagrams are used to describe whether the indicator is 
lit, fast flashing, slow flashing or off. 



Fast Slow 

flashing flashing 



Lit Off 

Red ■£>- Q O • 

Green ■$- Q O • 

By using the Remote Operation Panel utility to monitor the printer's status from the computer, the 
error message can be is displayed on the computer's screen when an error occurs. 



FS-1010 

6-4 



Normal messages 



Indicator 


Remote Operation Panel display 


Description 


O O" 
iii8V o 


Cancelling data 


Data inside the printer is being 

canceled. 

The indicators light in sequence from 

the top, then go off in sequence from 

the bottom. This process is repeated 

twice. 

When the printer is switched on for 

the first time after the toner container 

is installed, (Adding toner) also 

appears. 


O o 

i]8V o 

lil O" 


Please wait 


The printer is warming up and is not 
ready to print. The indicators light in 
sequence twice from top to bottom. 
When the printer is switched on for 
the first time after the toner container 
is installed, (Adding toner) also 
appears. 


♦Jib n 


Processing 


The printer is receiving data. 


♦a o 


Processing 


The printer is processing data. 




Waiting 


The printer is waiting for the end-of- 
job command before printing the last 
page. Pressing the Cancel key allows 
you to obtain the last page 
immediately. 




Form Feed Timeout 


The printer is printing the last page 
after a waiting period. 


O o 


Ready 


The printer is ready to print. 


O n 


The printer is offline. The printer 
stores but does not print received data. 


O o; 
•& • 

|s|8V • 
lil • 


Sleeping 


The printer is in sleep mode. The 
indicator flashes at 5-second intervals 
and all other indicators go off. The 
printer wakes from Sleep mode 
whenever a key on the operator panel 
is pressed, the cover is opened or 
closed, or data is received. The printer 
then warms up and goes online. (You 
can set the amount of time before the 
printer enters sleep mode from the 
Remote Operation Panel utility.) 



6-5 



FS-1010 



Maintenance 


messages 




Indicator 


Remote Operation Panel display 


Description 


ii]8V 


U 


Add paper <paper sourco 


The paper has run out. Add paper to the 


lil 


• 






paper cassette (1 or 2) or MP tray. 
The paper source is displayed in the 
Remote Operation Panel utility. 




The paper cassette is not closed securely. 










Close the paper cassette properly. 


o 


• 


Close top cover 


The top or front cover is open. 




• 






Close the cover properly. 


i]8V 


o 








1*1 


• 








o 


-b:- 


Load 


Cassette # 


There is data for printing that matches 




• 


<paper sizexpaper typo 


with a paper cassette setting (paper size, 


D31 






paper type), but there is no paper in the 


1A18V 


:o; 






paper cassette. 


lid 


• 






Set paper of the size and type specified 
in the print data into the cassette (1 or 2) 
to resume printing. 
When you want to feed from a other 
paper source, press the Go key to switch 
the paper source. The printer prints on 
the paper size and type set in that 
particular paper source. 


o 


-d- 


Load 


MP tray 


The cassette paper size and data paper 


+Bl 


• 


<paper sizexpaper typo 


size are not the same. 

The printer feeds from the MP Tray 


iii8V 


:o; 






when the page in the paper cassette is a 


lil 


• 






different size and type than that 
specified in the print data. Set paper of 
the size and type specified in the print 
data into the MP tray, then press the Go 
key to resume printing. 
When you want to feed from a source 
other than the MP tray, make sure there 
is no paper in the MP tray, then press 
the Go key to switch the paper source. 
The printer prints on the paper size set 
in that particular paper source. 
Note: Feeding the paper having a paper size 
which does not match the current paper size 
from the MP tray can cause paper jam. 



FS-1010 



6-6 



Indicator 


Remote Operation Panel display 


Description 


ISI8V 


-&- 


Paper jam 


Open the printer and clear the paper 


lid 


• 


############ 


jam. The location of the paper jam is 
also indicated in place of #'s. For 
details on how to clear paper jams, see 
page 6-31. 


O 


• 


Paper path error 


There is no cassette in the feeder, or the 




• 




cassette is not inserted properly. 






After reinserting the paper cassette, you 


iii8V 


O 




should be able to print. 


uy 


• 






O 


• 


Replace toner 


There is no more toner in the toner 


•ft 


• 


TK-17 


container. 

The printer has stopped because there is 


iii8V 


• 




no more toner. Replace with a new 


iii 


O 




toner kit. After replacing, be sure to 
clean the printer. (See page 3-4) 


O 


-fr 


Set paper 


There is no paper in the MP tray. 




• 


Press GO 


Add paper to the tray. Press the Go key 


*m 




to resume printing. 


li8V 


Q 




Note: Feeding the paper having a paper 


lid 


• 




size which does not match the current 
paper size from the MP tray can cause 
paper jam. 


lid 


:o: 


Toner low 


There is not enough toner inside the 






TK-17 


toner container. 

Promptly replace with a new toner as 

the printer will stop printing before 

long. Clean the printer after 

replacement. (See page 3-4) 

(No indication patterns available) 


(No 




Warning 


The print job cannot be done at current 


indication 




image adapt 


resolution because there is not enough 


patterns 
available) 






internal memory. 

Try adding memory or changing 

resolution. 

(No indication patterns available) 



6-7 



FS-1010 



Indicator 


Remote Operation Panel display 


Description 


(No 

indication 
patterns 
available) 


Warning 
low memory 


The printer' s memory is running low 
because of the number of downloaded 
fonts and macros. 

Print a status page to see how much user 
memory is left and try deleting 
unnecessary fonts and macros. 


iisv ft 

lil ft 


Warning waste 
toner box 


The waste toner reservoir is almost full. 
The waste toner reservoir will become 
full and the printer will stop printing. 



Error messages 



Indicator 


Remote Operation Panel display 


Description 


o -ft 

*[B] • 
iii8V o 


File not found 
Press GO 


The specified file is not found. Press the 
Go key to resume printing. You can 
abandon printing by pressing the Cancel 
key. 


lil • 


KPDL Error 
Press GO 


Current print processing cannot 

continue. 

Press the Go key to resume printing. 

You can abandon printing by pressing 

the Cancel key. 




MemoryCard err## 
Press GO 


An error has occurred during access to 
the memory card using the 
PRESCRIBE RWER command or from 
the Remote Operation Panel utility. 
Look at the error code given in place of 
# # and refer to the corresponding 
description given below. 
4 : The capacity of the memory card is 
insufficient. Clean up files. 
5: Specified file not on memory card. 
6 : No memory for use by memory 
card. Expand printer memory. 
Press the Go key to resume printing. 
You can abandon printing by pressing 
the Cancel key. 




Memory overflow 
Press GO 


Printing cannot continue because there 

is not enough memory. 

Try adding more memory. Press the Go 

key to resume printing. 

You can abandon printing by pressing 

the Cancel key. 



FS-1010 



6-8 



Indicator 


Remote Operation Panel display 


Description 


o -& 

♦lil • 
ii8V o 

lil • 


Print overrun 
Press GO 


Current print processing cannot 
continue due to complex data. 
The data transferred to the printer was 
too complex to print on a page. Press 
the Go key to print data as far as it was 
stored. You can abandon printing by the 
Cancel key. 

Note: To release the page protect mode, 
send the following command to the 
printer from the Remote Operation 
Panel utility after this error occurs: 
!R! FRPO R5, 1; EXIT; 




MemoryCard err## 
Press GO 


Check the error code displayed in # # 

and refer to the appropriate description 

below. 

1 : Abnormal format. Try turning the 

power off and on again. 

2 : RAM disk mode is Off. Turn RAM 

disk mode On. 

4: No disk space. Clean up files. 

5 : Specified file is not on disk. 

6: No memory for use by disk system. 

Expand printer memory. 

(Continued on next page) 


O o 
lib o 

IMI8V 

lil O 


MemoryCard err20 


The printer has halted because you 

attempted to insert/remove a memory 

card into/from the printer slot while the 

printer power is on. 

Turn the power switch off and then on 

to restart the printer. 

Note: Make sure to turn the printer 

power off before inserting/removing a 

memory card. 

(No indication patterns available) 


(No 

indication 
patterns 
available) 


Format error 
MemoryCard 


This message appears when the printer 
is in the ready state and the memory 
card is not formatted, and therefore 
cannot be read or written. 
Format the memory card. 



6-9 



FS-1010 



6-1-2 Service error indications 

Service errors are represented by the alternating flashing of the indicators (LEDs). Each error is 
represented by the notation of four digits code and can be monitored on the Remote Operation 
Panel utility, e.g. Call service 2 is for the main motor error. 

(1) 2000 - Main motor error 



Call service 
2000 innnnnn 



Remove and check 
harness (S02773) 
between engine board 
(KP-882) and main 
motor at pins 6 to 9 on 
both ends. 




Replace harness (S02773) 
between engine board 
(KP-882) and main motor. 



Printer indicators 




Connect circuit tester to 
pin 8 (MOTORN) of 
YC04 on engine board 
(KP-882) and ground. 








I 




Turn printer power off, 
then on. 








r 




Print status page. 









Connect oscilloscope to 
pin 8 (MOTORN) and 
pin7(MRDYN)ofCN1 
on main motor. 











Turn power switch off, 
then on. 




/ Replace engine board 
I (KP-882). See page 5-1- 



Replace main motor. See 
page 5-15. If not solved, check 
or replace drive unit. See 
page 5-16. 



FS-1010 



6-10 



(2) 4000 - Laser scanner unit [Polygon motor] error 



Printer indicators 



Call service 
4000 :nnnnnn 



I Replace engine board \ 
I (KP-882). See page 5-11. J 





Replace laser scanner 
unit. See page 5-29. 




(KP-882) output 

\. square-wave* s' 

^\signal?^^^ 

| Yes 


*: 1417 Hz 
(705 us) 

l Q 

Cont 

to ne 


nued 
<t page. 


Connect oscilloscope to 
pin 2 (PLGRDYN) and 
pin 3 (PLGDRN) of 
YC06 on engine board 
(KP-882). 
















Turn power switch off, 
then on. 

















Replace laser scanner 
unit. See page 5-29. 



/Replace harness (S02779}\ 
( between engine bard and 
Vlaser scanner unit. j 



Yes 



/ Replace engine board 
I (KP-882). See page 5-11. 




Yes 



( End - ) 



G Replace harness (S02779) 
between engine bard and 
laser scanner unit. 



FS-1010 



6-11 



Continued 
from previous page. 



® 



Replace engine board 
(KP-882). See page 5-11. 



Turn power switch on. 




Replace main board 
(KP-888). See page 5-12. 








I 




Turn power switch on. 










( End - ) 



/Replace harness (S02770)\ 
f between engine board and ] 
\main board. J 



FS-1010 



6-12 



(3) 4200 - Laser scanner unit [Pin photo diode] error 



Call service 
4200 : nnnnnn 



Printer indicators 




No 



Connect oscilloscope to 
pin 4 (OUTPEN) of 
YC07 on main board 
(KP-888). 



/'Replace main board 

I (KP-888). See page 5-12. 




Turn power switch off, 
then on. 



Does 

"pin 4 (OUTPEN) of" 

YC06 on main board (KP- 

J388) goes high, then low^ 

before "4200" 

error? 



Replace main board 
(KP-888). See page 5-12. 




Replace engine board 
(KP-882). See page 5-11. 



Connect oscilloscope to 
pin 4 (OUTPEN) and 
pin8(PDN) ofYC07on 
main board (KP-888). 




Turn power switch off, 
then on. 




/Replace harness (S02770) x 
f between main board and 
\engine board. 



*: Pin photo diode 
detect horizontal 
synchronization signal 
(Frequency: 1417 Hz, 
Low level width: 10 u.s) 



© 



Continued 
to next page. 



Continued 
to next page. 



FS-1010 



6-13 



Continued 
from previous page. 



Replace laser scanner 
unit. See page 5-29. 



Replace main board 
(KP-888). See page 5-12. 




Replace engine board 
(KP-882). See page 5-11. 














Turn power switch on. 










Yes 



OK? 

No 



End. 



Replace harness 
(S02779) between 
engine board and laser 
scanner 



Continued 
from previous page. 



© 



Replace main board 
(KP-888). See page 5-12 



Turn power switch on. 




Replace harness 
(S02502) between main 
board and laser scanner 
unit. 



Turn power switch on. 




OK? 



Yes 



No 



(Replace harness 
(S02770) between main 
board and engine board. 




End. 



Replace engine board 
(KP-882). See page 5-11. 




(Replace harness 
(S02770) between main 
board and engine board. 



FS-1010 



6-14 



(4) 5300 - Eraser lamp error 



Call service 
5300 :nnnnnn 



Printer indicators 




Replace eraser lamp 
[PWB] (KP-790). 
See page 5-29. 



FS-1010 



6-15 



(5) 6000 - Fuser unit error 



Call service 
6000 :nnnnnn 



Printer indicators 



Turn power switch off, 
and remove power cable. 



Detach connector CN4 
on power supply board. 



Qo • 

•fib o o 

i]8V o • 



Measure resistance 
between pins 1 and 2 
of the detached 
connector. 




Replace engine board 
(KP-882). See page 5-11. 



Replace thermistor. 
See page 5-26. 



Detach connector CN1 
on power supply board. 




Measure resistance 
between pins 1 and 3 
of the detached 
connector. 



Replace harness 
(S02772) between 
engine board (KP-882) 
and bias board (KP-884). 




/Replace thermal cutout 

f or heater lamp. 

\See page 5-26 or 5-23^ 




Yes 



Replace bias board or high 
voltage board or power 
supply board. See page 5-15 
or 5-14. 



C E - d - ) 



FS-1010 



6-16 



(6) 7980 -Waste toner full [Total page count less than 100,000 pages of printing] 



Call service 
7980 :nnnnnn 



Printer indicators 




Shake the process unit 
horizontally. 



Turn power switch off, 
then on. 




Replace the process 
unit. 



Turn power switch off, 
then on. 




Replace the waste toner 
sensor or engine board. 



6-17 



FS-1010 



(7) 7990 - Waste toner full [Total page count more than 100,000 pages of printing] 



Call service 
7990 :nnnnnn 



Printer indicators 



Shake the process unit 
horizontally. 



Turn power switch off, 
then on. 



Replace the process 
unit. 



Turn power switch off, 
then on. 





( End ) 



Replace the waste toner 
sensor or engine board 
(KP-882). See page 5-11. 



(8) F010 - Controller checksum error 

Turn power switch off, then on. If not solved, replace main board (See page 5-12). 



Printer indicators 



Remote Operation Panel 



Call service 
F010 innnnnn 




(9) F020 - Controller RAM read/write error 

Remove the expansion memory (DIMM). Turn power switch off, then on. If not solved, replace 
main board. If solved, replace the expanding memory (See pages 2-8 and 5-12). 

Printer indicators 

r 

Remote Operation Panel 



Call service 
F020 innnnnn 



< 

o 


O • 


*& 


o • 


i]8V 


o o 


L±J 


o • 



FS-1010 



6-18 



(10) F030 - Controller system error 

Turn power switch off, then on. If not solved, replace main board (See page 5-12). 



Printer indicators 



Remote Operation Panel 



Call service 
F030 :nnnnnn 




(11) F040 - Communication error 

Turn power switch off, then on. If not solved, replace engine board (See page 5-12) or main board 
(Seepage 5-12). 



Printer indicators 



Remote Operation Pane! 



Call service 
F040 innnnnn 



o 


Oil 

O • 


iBh 


o • 


lilSV 


o • 


lil 


• • 



(12) F050 - Engine ROM checksum error 

Turn power switch off, then on. If not solved, replace engine board (See page 5-12). 



Printer indicators 



Remote Operation Pane! 



Call service 
F050 innnnnn 




6-19 



FS-1010 



6-1-3 Print quality problems 

Print quality problems range from uneven tone to completely blank output. The troubleshooting 
procedure for each type of problem is given below. 



(1) Completely (2) All-black 
blank printout printout 

See page 6-21. See page 6-22. 




(5) Black horizontal (6) Black vertical 



streaks 

See page 6-24. 



streaks 

Seepage 6-25. 





(9) Dirt on the top 
edge or back of the 
paper 

See page 6-28. 




(3) Dropouts 

Seepage 6-23. 




(7) Unsharpness 

See page 6-26. 




(4) Black dots 

See page 6-24. 




(8) Gray 
background 

See page 6-27. 




FS-1010 



6-20 



(1) Completely blank printout 



Check the process unit. 

• Check that the process unit is inserted correctly. 

Check the transfer bias potential. 

• Check the transfer bias output on the high voltage board. This requires removal of the left cover 
and the test equipment. Replace the high voltage board if high voltage potential is not available on 
the board (See page 5-14). 

Check the laser scanner unit. 

• The scanner components within the scanner may be disordered. Replace the laser scanner unit if 
necessary (See page 5-29). 



FS-1010 



6-21 



(2) All-black printout 




Check the main charger. 

• Open the printer top cover and check that the process unit is correctly seated. Poor contact main 
charger terminal between the process unit and the printer main unit. 

Check the drum bias. 

• Make sure the bias from the high voltage board correctly arrives at the process unit. 

Check high voltage potential at the high voltage board. 

• Check the high voltage output on the high voltage board. Replace the high voltage board if high 
voltage potential is not available on the board. 



FS-1010 

6-22 



(3) Dropouts 




Note the spacing of the defects. Refer to Repetitive defects gauge (See page 6-29). 

• If the defects occur at regular intervals of 63 mm, the problem may be the damaged developing 
roller (in the process unit). Replace the process unit. 

•If the defects occur at regular intervals of 94 mm, the problem may be the damaged drum (in the 
process unit). Replace the process unit. 

•If the defects occur at regular intervals of 61 mm, the problem may be the damaged fuser unit. 
Replace the press roller or heat roller (See page 5-28 or 5-14). 

Check paper for property. 

• Paper with rugged surface or dump tends to cause dropouts. Replace paper with the one that 
satisfies the paper specifications. 

Check the transfer roller installation. 

• The transfer roller must be supported by the bushes at the both ends. Clean the bush to remove oil 
and debris. Replace the transfer roller if necessary (See page 5-10). 

Check the transfer bias potential. 

• Check the transfer bias output on the high voltage board. This requires removal of the left cover 
and the test equipment. Replace the high voltage board if high voltage potential is not available on 
the board (See page 5-10). 



FS-1010 



6-23 



(4) Black dots 




Note the spacing of the defects. Use the Repetitive defects gauge (See page 6-28). 

• If the defects occur at regular intervals of 94 mm, the problem may be the damaged drum (in the 
process unit). Replace the process unit. 

• If the defects occur at random intervals, the toner may be leaking from the process unit. Replace 
the process unit. 

(5) Black horizontal streaks 




Check the process unit's ground of the process unit. 

• The drum axle in the process unit and its counter part, the grounding tab in the printer, must be in 
a good contact. If necessary, apply a small amount of electro-conductive grease onto the tab. 

The drum may be defective. 

• Replace the process unit. 



FS-1010 



6-24 



(6) Black vertical streaks 




Contaminated main charger wire. 

• Clean the main charger wire by pulling the green colored cleaning knob in and out several times. 

Check the drum surface for a streak of toner laying lengthwise. 

• A streak of toner remaining on drum after printing means that the cleaning blade (in the process 
unit) is not working properly. Replace the process unit. 

Defective magnet roller (in the process unit). 

• Replace the process unit. 



FS-1010 



6-25 



(7) Unsharpness 




Check paper for property. 

• Paper with rugged surface or dump tends to cause unsharp printing. Replace paper with the one 
that satisfies the paper specifications. 

Check the transfer roller installation. 

• The transfer roller must be supported by the bushes at the both ends. Clean the bush to remove oil 
and debris. Replace the transfer roller if necessary (See page 5-10). 

Check the transfer bias potential. 

• Check the transfer bias output on the high voltage board. This requires removal of the left cover 
and the test equipment. Replace the high voltage board if high voltage potential is not available on 
the board (See page 5-14). 

Check EcoPrint setting. 

• The EcoPrint mode can provides faint, unsharp printing because it acts to conserve toner for draft 
printing purpose. For normal printing, turn the EcoPrint mode off by using the Remote operation 
panel. For details refer to the printer's User's Manual. 



FS-1010 



6-26 



(8) Gray background 




Check the print density setting. 

• The print density may be set too high. Try adjusting the print density using the Remote operation 
panel utility. For details refer to the printer's User's Manual. 

Check the surface potential of the drum (in the process unit). 

• The drum potential should be approximately 400 V. This may vary depending on production lots. 
Measurement is possible only by using the jig and tool specifically designed for this purpose. The 
drum unit will have to be replaced if it bears values far out of the allowable range. 

The developing roller (in the process unit) may be defective. 

• If a process unit which is known to work normally is available for check, replace the current 
process unit in the printer with the normal one. If the symptom disappears, replace the process unit 
with a new one. 



FS-1010 



6-27 



(9) Dirt on the top edge or back of the paper 




Check toner contamination in various parts. 

• Dirty edges and back of the paper can be caused by toner accumulated on such parts as the paper 
chute, paper transportation paths, the bottom of the process unit, and the fuser unit inlet. Clean 
these areas and parts to remove toner. 

Check the transfer roller. 

• If the transfer roller is contaminated with toner, clean the transfer roller using a vacuum cleaner; 
or by continuously printing a low-density page until the symptom has faded away. 



FS-1010 



6-28 



Repetitive defects gauge 

Use the following measurements for checking repetitive occurrences on the printed page. See the 
above section for details. 



First occurrence of defect 



[25 mm] Upper registration roller 

[38 mm] Lower registration roller 

[50 mm] Transfer roller 

[61 mm] Heat roller, Press roller (Fuser unit) 

[63 mm] Developing roller (Process unit) 



[94 mm] Drum (Process unit) 



Figure 6-1-2 Repetitive defects gauge 



FS-1010 
6-29 



6-1-4 Correcting a paper jam 

If a paper jam occurs while you are printing, remove the jammed paper as described below. After 
you have removed the jammed paper, open and close the top cover once. 

(1) Jam at the face-down and face-up trays 

1. Open the face-up tray and remove the jammed paper as shown in the figure. 




Figure 6-1-3 Jam at the face-down and face-up trays 



FS-1010 



6-30 



(2) Jam at the paper cassette 

1. Pull out the paper cassette and remove the jammed paper. 




Figure 6-1-4 Jam at the paper cassette 

(3) Jam inside the printer 

1 . Open the top cover and front cover. 

2. Take the process unit together with the toner container out of the printer. 

3. Remove the jammed paper. 




Figure 6-1-5 Jam inside the printer 



6-31 



FS-1010 



Appendix a Diagram 



Appendix A Contents 



Timing charts A-3 

1. Option paper cassette feeding, two A4 size papers A-3 

2. Option paper cassette feeding, two legal size papers A-4 

3. Option paper cassette feeding, two letter size papers A-5 

4. MP tray feeding, two A4 size papers A-6 

5. MP tray feeding, two legal size papers A-7 

6. MP tray feeding, two letter size papers A-8 

Wiring diagram A-9 



Timing charts 

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A-3 



FS-1010 



2. Option paper cassette feeding, two legal size papers 



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FS-1010 



A-4 



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FS-1010 



A-5 



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FS-1010 



A-6 



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FS-1010 



A-7 



6. MP tray feeding, two letter size papers 



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FS-1010 



A-8 



Wiring diagram 




A-9 



FS-1010 



Appendix b Status Page 



Appendix B Contents 



Status page B-3 

Printing the service status page B-3 

Details of service information B-4 



Status page 



The printer can print different types of the status page — the user (normal) status page and the 
service status page. This section exclusively describes information obtainable with the service status 
page. For information on the user (normal) status page, refer to the printer's User's Manual. 

Information on the service page include various settings for the printer, service statistics, etc. To 
print a service status page, proceed as follows: 

Printing the service status page 

To print a service status page, using the Go key on the operator panel. Or, have a PC running MS- 
DOS and proceed as follows: 

Go key 

[Prints a user status page] 

Press the Go key for 3 seconds or more and less than 10 seconds. 
[Prints a service status page] 

Press the Go key for 10 seconds or more. 

PC 

(?) Connect the printer to the PC via the parallel interface. 

(2) Ensure that the printer is ready to print. 

(3) At the DOS prompt, type: 

echo !R! STAT 1; EXIT; >lptl: 
The service status page is printed. (If you omit ' 1,' a user status page is printed.) 



FS-1010 
B-3 



Service information on the status page 

An example of the service status page is shown below. (Note the details born by the status page my 

differ from a firmware version to another.) Most of the service information are located under Service 

information. 

Most of these service information on the status page are alphanumerically-coded. Each item is 

explained on the next page. 

Details of service information 



Controller firmware version* 



Released date of the firmware 



PAGE PRINTER STATUS PAGE 



Software version 




[A003] [28.00C] [17/05] Total page 

/t/PO0/SO0/FOO/NOO 

/0020/0020/10S1/8811/ 0/ 0/ 0/ 



/RS2/00/AI.E/G/1 



/0200800000000000/0000000000000000/OOOOOOOOOOOE1000/0000000000000000 
/00800080/00800080/00800080/80000000/00000000/00000000/00000000/ 

/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/ 

SPD1:0203040508090AOBOCODOF101112131415161718191A1B1C1D1E1F202122235E 
SN:SPL92000010 






Service information 



FS-1010 



B-4 



Service information 



[A003J [ 28.00C] [ 17/05] 

© © © 

/_t / POO /S00 / F00 /NOP 

©© © © © 

/0020 /0020 /1061 /8811 / 0/ 0/ / 

© © © © © 



/RS2/ 00 /AI.E /G A 
(15) (16) (17)(18)(19) 



Total page 



9690 



© 



/ 02 00800000000000/0000000000000000/0000000000 0E1000/0000000000000000 

© 

/00800080/00800080/00800080/80000000/00000000/00000000/00000000 / 

© 

/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/oooooooo/ 



SPD1:02 03 04 05 080 90A0B0C0D0F101112131415161718191A1B1C1D1E1F2 02122235E 



SN:SPL92000010 



Example 


Meaning 


Description 


© [A003] 


Engine ROM version 


- 


© [28.00C] 


Boot ROM version 


- 


© [17/05] 


Internal use 


- 


©Total page 9690 


Total count page 


- 


©/t 


Internal use 


- 



FS-1010 



B-5 



Example 


Meaning 


Description 


©POO/ 


Parallel interface mode 


bit 7= 0: No error with 
bidirectional communication, 1: 
Error with bidirectional 
communication 
bit 6= 0: No ECP 
communication, 1: ECP 
communication had occurred, at 
least once. 

bit to 5= History of printer 
parallel port directional 
communication. 05= Nibble 
(High-speed), 07= ECP 


® soo/ 


Serial interface error 


00= Normal, bit 0= Framing error 
bit 1= Overrun, bit 2= Parity error 


® FOO/ 


Operator panel lock (Shown 
only during locking) 


01= Partially locked 
02= Fully locked 


®NOO/ 


NVRAM error (Shown only 
if error has occurred) 


01= ID error, 02= Version error, 
03= Checksum error, 
04= NVRAM error 


(§) /0020 


Top margin 


Inches+Vioo inches (FRPO L1/L2) 


© /0020 


Left margin 


Inches+Vioo inches (FRPO L2/L3) 


@ /1061 


Page length 


Inches+Vioo inches (FRPO L4/L5) 


(§) /0811 


Page width 


Inches+Vioo inches (FRPO L6/L7) 


@/ 0/ 0/ 0/ 


Left margin offset for paper 
source (MP tray /Printer's 
cassette/Optional paper 
feeder's cassette) 


In +7600 inch 


(£§)RS2 


Serial interface mode 
(Shown only optional serial 
interface board is installed) 
Average print coverage 
(total) 


RS2= RS-232C, RS4= RS422A 


(§) /OO 


Calibration table setting 


Hexadecimal (FRPO 14) 



FS-1010 



B-6 



Example 


Meaning 


Description 


@ /AI.E 


Average print coverage 
(sum total) 


Two digits for integer part; one 
digit for decimal; unit is in 
percent 


®/G 


Average print coverage 
(most recent 20 pages) 


B= Level 1 (Less than 0.5 %) 
C= Level 2 (0.6 to 1.0%) 
D= Level 3 (1.1 to 2.0%) 
E= Level 4 (2.1 to 3.0%) 
F= Level 5 (3.1 to 4.0%) 
G= Level 6 (4.1 to 5.0%) 
H= Level 7 (5.1 to 10.0%) 
1= Level 8 (More than 10.0 %) 


@/l 


Operator panel message 
language 


PMSG command setting 
(decimal) 


@/020080000000... 


Engine parameter setting 


Hexadecimal, 32 bytes (64 digits) 


@)/00800080/... 


Media type attribute setting 


Media type 1 to 28 
(Reserved: 12 to 20) 
Fuser temperature, paper weight, 
and duplex print setting value 


(§)/00000000/... 


Media type attribute setting 


Media type 1 to 28 
(Reserved: 12 to 20) 
For print density setting value 


@>SPD1:02030405... 


DRAM SPD (slot 1) 


- 


@)SN:SPL9200010 


Serial number for the printer 


- 



B-7 



FS-1010 



Appendix c I n t e r f 



Appendix C Contents 



Parallel interface C-3 

Selecting the parallel interface mode C-3 

Parallel interface pin assignment C-4 

Parallel interface signals C-5 

USB interface C-6 

USB interface pin assignment C-6 

Serial interface (Optional) C-7 

Changing the serial interface configuration C-7 

Serial interface signals C-9 

RS-232C interface voltage levels C-9 

RS-422A interface voltage levels C-9 

Connector configurations C-10 

RS-232C - For computers with a DB-9 connector C-10 

RS-232C - For computers with a DB-25 connector C-10 

RS-422A C-11 

Protocol C-11 



Parallel interface 

The printer uses a bidirectional parallel interface for high-speed data transmission for the host 
computer. This interface includes the buffers which are compatible with the IEEE 1284 standards. 
The parallel interface provides support for the ECP and nibble modes in this standards. The parallel 
interface mode can be changed by commanding Prescribe commands on a PC. 

Selecting the parallel interface mode 

To change the parallel interface mode, a PC running MS-DOS is needed. Connect the printer to the 
PC via the parallel interface. Then, at the DOS prompt, type a FRPO OO (the letter O and the 
number zero) command as follows depending on the desired parallel mode: 



To set the parallel interface mode... 


Type at the DOS prompt... 


Normal 


echo !R! FPRO 00, 0; EXIT; lptl: 


High-speed 


echo !R! FPRO 00, 1; EXIT; lptl: 


Nibble 


echo !R! FPRO 00, 5; EXIT; lptl: 


Automatic* 


echo !R! FPRO 00, 70; EXIT; lptl: 



': Factory- set default. 



FS-1010 



C-3 



Parallel interface pin assignment 

The pins of the parallel interface connector carry the signals listed below. The function for each 
signal is detailed on the following page. 




uuuuuuuuuuuuuuuuuu 



nnnnnnnnnnnnnnnnnn 
36 19 




No. 


Terminal 


Signal 


No. 


Terminal 


Signal 


1 


nStrobe 


(STBIN1/2*) 


19 


Ground 


GND 


2 


Datal 


(PADO) 


20 


Ground 


GND 


3 


Data2 


(PAD1) 


21 


Ground 


GND 


4 


Data3 


(PAD2) 


22 


Ground 


GND 


5 


Data4 


(PAD3) 


23 


Ground 


GND 


6 


Data5 


(PAD4) 


24 


Ground 


GND 


7 


Data6 


(PAD5) 


25 


Ground 


GND 


8 


Data7 


(PAD6) 


26 


Ground 


GND 


9 


Data8 


(PAD7) 


27 


Ground 


GND 


10 


nAck 


(ACKOUT) 


28 


Ground 


GND 


11 


Busy 


(BUSYOUT) 


29 


Ground 


GND 


12 


PError 


(PERROR) 


30 


Ground 


GND 


13 


Select 


(SELECT) 


31 


nlnit 


(INIT*) 


14 


nAutoFd 


(AUTOFD*) 


32 


nFault 


(FAULT*) 


15 


Not defined 


NC 


33 


Not defined 


Pull-up (lkQ) 


16 


Logic ground 


GND 


34 


Not defined 


NC 


17 


Chassis ground 


GND 


35 


Not defined 


Pull-up (lkQ) 


18 


Peri-logic H 


(VCC) 


36 


nS elect In 


(SELECT!*) 



Maximum rated current for pin 18 is 400 mA (fused). 



FS-1010 



C-4 



Parallel interface signals 

The following table provides details for the signals used on the printer's parallel interface. Note 
descriptions in [ ] are for high-speed mode of the parallel interface. 



Signal 


Meaning 


Strobe* [nStrobe] (Pin 1) 


A negative-going Strobe* pulse causes the printer to read and latch 
the data on the Data [1] to Data 7 [8] signal lines. 


Data 0[1] to Data 7 [8] 
(Pins 2 to 9) 


These eight signals form the data byte sent from the host computer to 
the printer. Data 7 [8] is the most significant bit and Data [1] is the 
least significant bit. 


Acknowledge* [nAck] 
(Pin 10) 


This signal is returned to the host computer. This negative-going pulse 
acknowledges the previous character received by the printer. 
Acknowledge* pulses are sent only when Busy is low. 


Busy [Busy] (Pin 11) 


This signal is returned to the host computer. This signal is high when 
the printer is busy and low when it is able to accept more data. Every 
high-to-low transition is followed by an Acknowledge* pulse. 


Paper Empty [PError] 
(Pin 12) 


This signal is returned to the host computer. This signal goes high 
when the printer runs out of paper. 


On-Line [Select] (Pin 13) 


This signal is returned to the host computer. This signal is high when 
the printer is on-line and low when the printer is off-line. It goes low 
when the upper unit is raised, or when the Go key is pressed to set the 
printer off-line. 

Note: The Paper Empty and On-Line signals are not used unless 
enabled by the FRPO command (02 parameter). 


Auto-Feed [nAutoFd] 
(Pin 14) 


This signal is used in the Epson version of the Centronics interface to 
receive a carriage return. In high-speed mode, it is used as an interrupt. 


+5 V DC (pin 18) 


This line is connected to the printer's +5 V DC line (+5 V ±0.5 V, 400 
mA maximum, fused). 


Prime [nlnit] (Pin 31) 


This signal is used in the standard Centronics interface to enable the 
computer to reset the printer. It is ignored by the printer. 


Error* [nFault] (Pin 32) 


When the high-speed parallel line control is on (FRPO 02 = 2), this 




line returns error status to the host computer. 


Auxiliary output 1 (Pin 33) 


This signal line is not used. 


Power Ready (Pin 35) 
Select In [NSelectln] 


This signal is high when the printer's power is on. 
This signal is used in some versions of the Centronics interface to 
enable the computer to force the printer on-line. In high-speed mode, 
it is used as an interrupt. 



FS-1010 



C-5 



USB interface 

This printer supports the USB (Universal Serial Bus) Revision 1.1 standards. USB interface 
specifications and interface signals are as follows: 



Item 


Specifications 


Basic specification 


Complies with the USB Revision 1.1 standards. 


Connectors 


Printer: B-type receptacle (female) with upstream port 
Cable: B-type plug (male) 


Cable 


Use shielded cable that complies with the USB Revision 1.1 standards and 
not longer than 5 meters (16 feet). 


Transfer mode 


Full speed (max. 12 Mbps) 


Power control 


Self -power device 



USB interface pin assignment 




Shell 



No. 


Signal 


Description 


1 


Vbus 


Power supply (+5 V) 


2 


D- 


Data transmission 


3 


D+ 


Data transmission 


4 


GND 


Signal ground Shell Shield 



Shell: Shield 



FS-1010 



C-6 



Serial interface (Optional) 



The printer is equipped with an optional slot for adding a serial port. To add a serial port, the serial 
interface board is equipped. 

The device responsible for controlling the serial interface is integrated in the gate array in the 
controller system. The serial interface supports both protocols of RS-232C and RS-422A. 
Toggling the protocol between RS-232C and RS-422A is made by a shorting jumper socket that is 
accessible on the main board. (The jumper wire arrangement, that used to be provided for the 
succeeding models to switch the DTR polarity is not used with these models.) To change the serial 
interface protocol, refer to Changing the serial interface configuration section which follows. 
A 25-pin D-sub connector is used for the serial interface. The extra signals used for RS-422A are 
assigned to these pins that are not used for RS-232C according to the IBM pin assignment scheme. 

Changing the serial interface configuration 

To change the serial interface protocol form RS-232C to RS-422A, or vice versa, the IB-10E board 
must be taken out from the printer. Protect the electronics by taking these precautions: 

CAUTION Before touching the main board, touch a water pipe or other large metal object 

A to discharge yourself of static electricity. While doing the work, it is 

recommended that you wear an antistatic wrist strap. 

Touch the main board only by the edge. 



FS-1010 
C-7 



Remove two thumb screws (T) then draw the serial interface board (g). To change the serial protocol 
from RS-232C to RS-422A, for example, carefully remove the jumper connector @ on the serial 
interface board (g). Reconnect to the pin position as shown in the diagram. Replace the serial 
interface board (g) back into the printer. Secure the board by the thumb screws. 




FS-1010 



C-8 



Serial interface signals 

The following table provides details for the signals used on the serial interface board. 



Signal 


Meaning 


FG (Pin 1) 


This pin is connected directly to the printer frame. 


TxD (Pin 2) 


RS-232C only: This output carries asynchronous data sent by the printer to 
the computer. It is used mainly in handshaking protocols. 


RxD/RDA (Pin 3) 


This input carries serial asynchronous data sent by the computer to the 
printer. In RS-422A, this carries the inverted differential data (RDA). 


RTS (Pin 4) 


This output is always held high (above 3 V). 


CTS (Pin 5) 


Unused. 


DSR (Pin 6) 


Unused. 


SG (Pin 7) 


All signals can transmit between the printer and the host computer to send 
each signals with a signal ground. 


SDA (Pin 8, 9) 


This output transmits asynchronous inverted form of differential data from 
the printer to the computer. 


SDB (Pin 8, 10) 


This output carries asynchronous non-inverted form of differential data 
from the computer to the printer. 


DTR (Pin 20) 


This output is used as a buffer nearly-full handshake line. It is held high 
(above 3 V) when the buffer can accept more data. 



RS-232C interface voltage levels 

The voltage levels of the RS-232C signals conform to EIARS-232C specifications. FALSE is from 
3 volts to 15 volts. TRUE is from -3 volts to -15 volts. Voltages between -3 volts and 3 volts are 
undefined. The voltage levels of the RS-422A signals are equivalent to those of the RS-232C signals 
except the signals used for transmission and reception. 

RS-422A interface voltage levels 

The interface signal voltage levels for RS-422A conforms with the EIA RS-422A standards. The 
differential voltage ranges is from 200 mV to 6 V. 



FS-1010 



C-9 



Connector configurations 

The printer uses a DB-25 connector for the serial interface. Depending on the computer configurations 
for serial interface, use either of the appropriate configurations. A special cable must be prepared or 
obtained for the RS-422A configuration by referring to the diagram (last) below. 

RS-232C - For computers with a DB-9 connector 



Computer 
serial port (DB-9) 



RXD 
TXD 
DTR 
GND 
DSR 
RTS 
CTS 



Printer 
serial port (DB-25) 




RS-232C - For computers with a DB-25 connector 



Computer 
serial port (DB-25) 




Printer 
serial port (DB-25) 



FG 

TXD 

RXD 

RTS 

CTS 

DSR 

SG 

DTR 



FS-1010 



C-10 



RS-422A 



Computer 
serial interface 



Frame ground 
Signal ground 

Rx terminal 
Tx terminal 




Printer 
serial port (DB-25) 



FG 

RD- 

SG 

SD- 

SD+ 

RD+ 



On the computer serial port, investigate pin assignments depends on the computer manufacture's 
instruction. Since the RS-422A configuration does not employ control lines except for data 
transmission/reception, select a mode in which signals such as DTR are not used. 

Protocol 

The serial interface supports the full baud rate of: 1200, 2400, 4800, 9600, and 19200, 38400, 
57600 and 115.2 k (bps). For adjusting serial interface parameters including baud rate, parity, etc., 
refer to optional Serial interface board User's Manual. 



FS-1010 



C-ll 



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